411 REFERENCE · Wikipedia
2015 Pacific hurricane season
Reference material by Wikipedia contributors. This retains its source identity and is not 411 news reporting.
none
EPac
2015
2015 Pacific hurricane season summary.png
May 28, 2015
December 31, 2015(record latest)
Patricia(Most intense Pacific hurricane; strongest worldwide by maximum sustained winds and second-most intense worldwide by minimum central pressure)
872
185
1
31 (record high)
26
16 (record high, tied with 1990, 1992 and 2014)
11 (record high, tied with 2026)
290.6
588
45 total
2013, 2014, 2015, 2016, 2017
Timeline of the 2015 Pacific hurricane season
2015 Atlantic hurricane season
2015 Pacific typhoon season
2015 North Indian Ocean cyclone season
The 2015 Pacific hurricane season was the second-most active Pacific hurricane season on record, with 26 named storms, only behind the 1992 season. A record-tying 16 storms became hurricanes, and a record 11 storms further intensified into major hurricanes throughout the season,A "major" hurricane is one that reaches Category 3 or higher on the five-level Saffir–Simpson scale; this corresponds to having winds of at least 96 kn mph km/h or us out.The Saffir-Simpson Hurricane Wind Scale https://www.nhc.noaa.gov/pdf/sshws.pdf National Hurricane Center November 28, 2023 May 2021 "nb" "MH" which would be tied eleven years later. The Central Pacific, the portion of the Northeast Pacific Ocean between the International Date Line and the 140th meridian west, had its most active year on record, with 16 tropical cyclones forming in or entering the basin. Moreover, the season was the fourth-most active season in terms of accumulated cyclone energy, amassing a total of 290.6 units. The season officially started on May 15 in the Eastern Pacific and on June 1 in the Central Pacific; they both ended on November 30. These dates conventionally delimit the period of each year when most tropical cyclones form in the Northeast Pacific basin. However, the formation of tropical cyclones is possible at any time of the year, as shown when a tropical depression formed on December 31. The above-average activity during the season was attributed in part to the very strong 2014–2016 El Niño event.An average Pacific hurricane season, as defined by the National Oceanic and Atmospheric Administration, has fifteen tropical storms, eight hurricanes, and four major hurricanes. "nb"
The season featured several long-tracking and powerful storms, although land impacts were often minimal. In June, Hurricane Blanca, an early season Category 4 hurricane, killed four people due to rough seas. Hurricane Carlos sustained minor damage while passing a short distance off the coast of Mexico. In July, the remnants of Hurricane Dolores brought record rainfall to Southern California, killing one and causing damage worth over $50 million.All damage totals are valued as of 2015 and in United States dollars, unless otherwise noted. "nb" On August 29, three Category 4 hurricanes (Kilo, Ignacio, Jimena) were all active simultaneously in the Pacific east of the International Date Line for the first time in recorded history. In September, moisture from Hurricane Linda contributed to storms that killed 21 people in Utah. Later that month, Hurricane Marty inflicted $30 million in damage to the southwestern coast of Mexico. In October, Hurricane Patricia became the most intense hurricane ever recorded in the Western Hemisphere, with a central pressure of 872 mbar (hPa; 25.75 inHg) and 1-minute sustained winds of 215 mph (345 km/h). It also became the strongest landfalling Pacific hurricane on record at the time, until it was surpassed by Hurricane Otis in 2023. Patricia caused 13 fatalities and inflicted $463 million in damage. The season's activity continued into November when Hurricane Sandra became the strongest Pacific hurricane ever recorded in that month. Damage across the basin reached $566 million, while 45 people were killed by the various storms.
Seasonal forecasts
Record Namedstorms Hurricanes Majorhurricanes RefAverage (1981–2010): 15.4 8.4 3.9 http://www.cpc.ncep.noaa.gov/products/Epac_hurr/background_information.html Background Information: East Pacific Hurricane Season Climate Prediction Center National Oceanic and Atmospheric Administration College Park, Maryland May 22, 2014 May 29, 2014Record high activity: 27 16† 11† Record low activity: 8† 3 0† Date Source Namedstorms Hurricanes Majorhurricanes Ref April 10, 2015 SMN 19 11 4 Presentan Primera Versión Del Pronóstico Para La Temporada De Ciclones Tropicales 2015 http://smn.cna.gob.mx/ciclones/tempo2015/pronosticoTC2015.pdf https://web.archive.org/web/20150528200349/http://smn.cna.gob.mx/ciclones/tempo2015/pronosticoTC2015.pdf Servicio Meteorológico Nacional April 10, 2015 2015-05-28 May 28, 2015 es dead May 27, 2015 CPC 15–22 7–12 5–8 Gerry Bell Hui Wang Eric S. Blake Christopher W. Landsea NOAA 2015 Eastern Pacific Hurricane Season Outlook http://www.cpc.ncep.noaa.gov/products/Epac_hurr/Epac_hurricane.html https://web.archive.org/web/20150511021856/http://www.cpc.ncep.noaa.gov/products/Epac_hurr/Epac_hurricane.html Climate Prediction Center May 27, 2015 May 11, 2015 May 28, 2015 usurped Area Namedstorms Hurricanes Majorhurricanes Ref Actual activity: EPAC 18 13 10 Actual activity: CPAC 8 3 1 Actual combined activity: 26 16 11 † Most recent of several such occurrences (See also)
On April 10, 2015, the Servicio Meteorológico Nacional (SMN) issued its first outlook for the Pacific hurricane season, forecasting 19 named storms, 11 hurricanes, and 4 major hurricanes. The organization listed a set of seasons with similar atmospheric and oceanic conditions, including 1982, 1986, 1991, 1994, 2002, and 2014. On May 27, the National Oceanic and Atmospheric Administration's Climate Prediction Center (CPC) released its forecast for the year, highlighting a 70% chance of an above-average season with 15–22 named storms, 7–12 hurricanes, 5–8 major hurricanes, and an accumulated cyclone energy (ACE) index range of 110–190% of the median. While both organizations cited an intensifying El Niño as a cause of increased activity, the CPC also highlighted the difference in global sea surface temperature patterns in 2015 versus the 1995–2014 period. The season ended up exceeding all of these forecasts with 26 named storms, 16 hurricanes, 11 major hurricanes, and an ACE index at more than 200% of the median.
Seasonal summary
The accumulated cyclone energy (ACE) index for the 2015 Pacific hurricane season (Eastern Pacific and Central Pacific combined), as calculated by the National Hurricane Center, was 290.6 units.The total represents the sum of the squares of the maximum sustained wind speed (knots) for every (sub)tropical storm's intensity of over 33 kn mph km/h, divided by 10,000 while they are above that threshold; therefore, tropical depressions are not included. "nb"Basin Archives: Northeast Pacific Ocean Historical Tropical Cyclone Statistics http://tropical.atmos.colostate.edu/Realtime/index.php?arch&loc=northeastpacific Colorado State University Fort Collins, Colorado July 8, 2022 ACE is a rough measure of the energy generated by a tropical or subtropical cyclone over its lifespan, and is calculated every six hours when the tropical cyclone has sustained wind speeds of at least of 39 mph km/h on. Therefore, more intense and longer-lived tropical cyclones will generate more ACE, while tropical depressions are excluded from ACE calculations.Background Information: The North Atlantic Hurricane Season https://www.cpc.ncep.noaa.gov/products/outlooks/hurricane2003/August/background_information.html Climate Prediction Center March 5, 2019 August 7, 2002
thumb|right|300px|Map of sea surface temperature (SST) anomalies in the Pacific Ocean in November 2015, showing well above-normal SSTs east of the International Date Line (180°)
Overall, 31 tropical cyclones formed, of which 26 reached tropical storm intensity and were named. A total of 16 of these storms became hurricanes, and a record-breaking 11 became major hurricanes, which would be tied in 2026."nb" "MH" These values make the 2015 season the second-most active on record.Kieran Hickey August 2016 A review of the 2015 hurricane, tropical cyclone and typhoon season https://www.researchgate.net/publication/312210216 International Journal of Meteorology 41 398 162–167 March 3, 2019 The Central Pacific, meanwhile, had its most active year on record, with 16 systems forming or crossing into the basin (8 formed in the basin and 8 others entered into it),Tropical Weather Summary for the Central North Pacific https://www.prh.noaa.gov/cphc/pages/TWS.php?dt=201601 Central Pacific Hurricane Center January 1, 2016 March 2, 2019 Honolulu, Hawaii https://web.archive.org/web/20190402155822/https://www.prh.noaa.gov/cphc/pages/TWS.php?dt=201601 April 2, 2019 dead surpassing the old record of 11 set in 1992 and 1994.Chris Brenchley Historic Hurricane Season – 2015 Summary for the Central Pacific Basin https://www.prh.noaa.gov/hnl/pages/examples/2015_HurricaneSeasonSummary_MediaAdvisory.pdf Central Pacific Hurricane Center December 18, 2015 March 2, 2019 Honolulu, Hawaii https://web.archive.org/web/20190402160427/https://www.prh.noaa.gov/hnl/pages/examples/2015_HurricaneSeasonSummary_MediaAdvisory.pdf April 2, 2019 dead The season officially began on May 15 in the Eastern Pacific, and on June 1 in the Central Pacific; the season ended officially on November 30,Neal Dorst TCFAQ G1) When is hurricane season? http://www.aoml.noaa.gov/hrd/tcfaq/G1.html Atlantic Oceanographic and Meteorological Laboratory January 21, 2010 March 5, 2019 https://web.archive.org/web/20101206195446/http://www.aoml.noaa.gov/hrd/tcfaq/G1.html December 6, 2010 dead though a tropical depression formed well after that on December 31. The well-above-average activity levels were largely attributed to the strong 2014–16 El Niño event, which brought anomalously high sea surface temperatures and low vertical wind shear to western parts of the basin.Lixion A. Avila 2015 Eastern North Pacific Hurricane Season Annual Summary https://www.nhc.noaa.gov/data/tcr/summary_epac_2015.pdf February 26, 2016 National Hurricane Center March 2, 2019 Miami, Florida In fact, for the region between the 116th meridian west and the International Date Line, sea surface temperatures from July to October averaged 28 C F on, the highest value on record since reliable data records began in 1979. Around Hawaii, sea surface temperatures were 0.9 C-change F-change on higher than at any point during the past 60 years. Wind shear in the region was also at its lowest on record during that period.Jennifer M. Collins Philip J. Klotzbach Ryan N. Maue David R. Roache Eric S. Blake Charles H. Paxton Christopher A. Mehta The record-breaking 2015 hurricane season in the eastern North Pacific: An analysis of environmental conditions Geophysical Research Letters September 16, 2016 43 17 9217–9224 10.1002/2016GL070597 1944-8007 2016GeoRL..43.9217C 132207362 https://scholarcommons.usf.edu/cgi/viewcontent.cgi?article=2377&context=geo_facpub The existence of a large region of rising air over the basin during much of the season, a feature typical of El Niño events, further facilitated the development and intensification of the season's numerous tropical cyclones.
The season started off with three successive hurricanes, with Andres and Blanca both reaching Category 4 status.2015 Monthly Weather Tropical Summary https://www.nhc.noaa.gov/archive/tws/?yyyy=2015&bb=EP&mm=06 July 1, 2015 National Hurricane Center March 2, 2019 Miami, Florida On June 3, Blanca became both earliest second hurricane and second major hurricane in the basin since reliable records began in 1971, and became the earliest instance of a landfall on the Baja California Peninsula. Ten days later, Carlos became the second-earliest third hurricane on record.Christopher W. Landsea Hurricane Carlos Discussion Number 12 http://www.nhc.noaa.gov/archive/2015/ep03/ep032015.discus.012.shtml National Hurricane Center June 13, 2015 June 13, 2015 Miami, Florida After about a month of inactivity, eight systems formed in July, including five between July 8 and July 12. Ela became the earliest named storm to form in the Central Pacific within the bounds of the official season, and one of the earliest in the calendar year.Erdman John Tropical Storm Ela Was One of the Earliest Tropical Storms of Record in the Central Pacific Basin http://www.weather.com/storms/hurricane/news/tropical-storm-ela-hawaii-central-pacific-july-2015 The Weather Channel 12 July 2015 When Halola and Iune formed soon thereafter, that marked the first month in the satellite era where three tropical cyclones were observed in the Central Pacific simultaneously.2015 Monthly Weather Tropical Summary https://www.nhc.noaa.gov/archive/tws/?yyyy=2015&bb=EP&mm=07 August 1, 2015 National Hurricane Center March 2, 2019 Miami, FloridaTropical Weather Summary for the Central North Pacific https://www.prh.noaa.gov/cphc/pages/TWS.php?dt=201508 Central Pacific Hurricane Center August 5, 2015 March 2, 2019 Honolulu, Hawaii https://web.archive.org/web/20190402175620/https://www.prh.noaa.gov/cphc/pages/TWS.php?dt=201508 April 2, 2019 dead Six more systems formed in an active August.2015 Monthly Weather Tropical Summary https://www.nhc.noaa.gov/archive/tws/?yyyy=2015&bb=EP&mm=08 September 1, 2015 National Hurricane Center March 2, 2019 Miami, FloridaTropical Weather Summary for the Central North Pacific https://www.prh.noaa.gov/cphc/pages/TWS.php?dt=201509 Central Pacific Hurricane Center September 2, 2015 March 2, 2019 Honolulu, Hawaii https://web.archive.org/web/20190402175148/https://www.prh.noaa.gov/cphc/pages/TWS.php?dt=201509 April 2, 2019 dead Early on August 30, Hurricanes Kilo, Ignacio and Jimena intensified into Category 4 hurricanes. This was the first time in the historical record that three or more major hurricanes existed simultaneously in the Pacific east of the International Date Line, and that two or more major hurricanes existed simultaneously in the Central Pacific.NWSNHC National Hurricane Center 638018127901671425 August 30, 2015 1st time in history – 3 major hurricanes simultaneously in Pacific east of Int'l Dateline – Kilo, Ignacio & Jimena. February 6, 2019
thumb|left|300px|Hurricanes Kilo (left), Ignacio (center), and Jimena (right), all at major hurricane intensity, spanning the Central and Eastern Pacific basins on August 30
September saw the formation of five systems, excluding Kevin which was named in September but formed on August 31.2015 Monthly Weather Tropical Summary https://www.nhc.noaa.gov/archive/tws/?yyyy=2015&bb=EP&mm=09 October 1, 2015 National Hurricane Center March 3, 2019 Miami, FloridaTropical Weather Summary for the Central North Pacific https://www.prh.noaa.gov/cphc/pages/TWS.php?dt=201510 Central Pacific Hurricane Center October 1, 2015 March 3, 2019 Honolulu, Hawaii https://web.archive.org/web/20190306043826/https://www.prh.noaa.gov/cphc/pages/TWS.php?dt=201510 March 6, 2019 dead Three systems—Linda, Sixteen-E, and Marty—affected Mexico, with the first two also bringing floods to the Southwestern United States. The flood event caused by Linda in Utah was also the state's deadliest. October saw another five systems.2015 Monthly Weather Tropical Summary https://www.nhc.noaa.gov/archive/tws/?yyyy=2015&bb=EP&mm=10 November 1, 2015 National Hurricane Center March 3, 2019 Miami, FloridaTropical Weather Summary for the Central North Pacific https://www.prh.noaa.gov/cphc/pages/TWS.php?dt=201511 Central Pacific Hurricane Center November 1, 2015 March 3, 2019 Honolulu, Hawaii https://web.archive.org/web/20190306044349/https://www.prh.noaa.gov/cphc/pages/TWS.php?dt=201511 March 6, 2019 dead With the formation of Oho on October 3, the 2015 season surpassed 1992 and 1994 as the most active year on record in the Central Pacific.Thomas Birchard Central Pacific hurricane Center October 3, 2015 October 3, 2015 Tropical Depression Seven-C Discussion Number 1 http://www.prh.noaa.gov/cphc/tcpages/archive/2015/TCDCP2.CP072015.001.201510030900 Honolulu, Hawaii https://web.archive.org/web/20180718144604/http://www.prh.noaa.gov/cphc/tcpages/archive/2015/TCDCP2.CP072015.001.201510030900 July 18, 2018 dead During October 18–19, Olaf became the southernmost-forming hurricane and major hurricane in the Eastern Pacific. Olaf later became the first system on record to cross from the Eastern Pacific into the Central Pacific and then back into the Eastern Pacific while still a tropical cyclone. Patricia became the strongest hurricane in the basin on October 23 when its pressure fell to 892 mbar (hPa; 26.34 inHg), breaking the previous record of 902 mbar (hPa; 902 mbar inHg on 4 out) set by 1997's Hurricane Linda.Richard J. Pasch Hurricane Patricia Special Discussion Number 13 http://www.nhc.noaa.gov/archive/2015/ep20/ep202015.discus.013.shtml? October 23, 2015 National Hurricane Center March 3, 2019 Patricia subsequently became the strongest tropical cyclone on record in the Western Hemisphere in terms of barometric pressure, with a central pressure of 872 mbar (hPa; 872 mbar inHg on 4 out). This value was also the second-lowest globally, behind Typhoon Tip of 1979 which had a central pressure of 870 mbar (hPa; 870 mbar inHg on 4 out). Additionally, its maximum sustained winds of 215 mph km/h on 5 were the strongest ever reliably recorded or estimated anywhere globally.Todd B. Kimberlain Eric S. Blake John P. Cangialosi National Hurricane Center February 1, 2016 February 4, 2016 Hurricane Patricia Tropical Cyclone Report EP202015_Patricia PDF Miami, Florida Patricia later became the strongest Pacific hurricane to strike Mexico after making landfall in Jalisco as a strong Category 4 hurricane.
The following month tied for the most active November with the development of two systems, Rick and Sandra.2015 Monthly Weather Tropical Summary https://www.nhc.noaa.gov/archive/tws/?yyyy=2015&bb=EP&mm=11 December 1, 2015 National Hurricane Center March 3, 2019 Miami, Florida Sandra subsequently strengthened into a major hurricane, bringing the season total to a record 11. Its peak winds of 150 mph km/h on 5 and minimum central pressure of 934 mbar (hPa; 934 mbar inHg on 4 out) surpassed Hurricane Kenneth of 2011 for the strongest November Pacific hurricane in terms of both sustained winds and central pressure.Stacy R. Stewart National Hurricane Center January 29, 2016 May 12, 2016 Hurricane Sandra Tropical Cyclone Report http://www.nhc.noaa.gov/data/tcr/EP222015_Sandra.pdf Miami, Florida Despite the official end of the season on November 30, anomalously favorable conditions in the Central Pacific gave rise to the final storm of the season, Tropical Depression Nine-C, which formed on December 31 and dissipated late the same day. This marked the latest end to a Pacific hurricane season on record.
Systems
Hurricane Andres
EPac
Andres 2015-06-01 0930Z.jpg
Andres 2015 path.png
May 28
June 4
125
937
On May 23, the National Hurricane Center (NHC) began monitoring the potential for tropical cyclogenesis well south of Mexico over the following days.Jack L. Beven II Tropical Weather Outlook valid 5 am PDT May 23, 2015 http://www.nhc.noaa.gov/archive/text/TWOEP/2015/TWOEP.201505231143.txt National Hurricane Center May 23, 2015 May 28, 2015 Miami, Florida TXT A broad low-pressure area formed three days later, steadily organizing to become Tropical Depression One-E at 06:00 UTC on May 28. With an increase in spiral banding and an expanding central dense overcast, the depression was upgraded to Tropical Storm Andres six hours later.Daniel P. Brown Tropical Storm Andres Discussion Number 2 http://www.nhc.noaa.gov/archive/2015/ep01/ep012015.discus.002.shtml National Hurricane Center May 28, 2015 May 28, 2015 Miami, Florida Directed west-northwest and eventually northwest by a subtropical ridge over Mexico, the cyclone quickly organized and became a hurricane on May 29. A spurt of intensification saw Andres strengthen into a strong Category 2 hurricane late the next day. Andres's intensification trend leveled off thereafter due to an eyewall replacement cycle and a brief increase in vertical wind shear, but Andres still managed to reach major hurricane status early on May 31, becoming one of only five major hurricanes during the month of May. Although forecasts did not indicate additional strengthening,Michael J. Brennan Hurricane Andres Discussion Number 15 http://www.nhc.noaa.gov/archive/2015/ep01/ep012015.discus.015.shtml National Hurricane Center May 31, 2015 May 31, 2015 Miami, Florida Andres began a period of rapid deepening the following day as wind shear decreased, intensifying into a Category 4 hurricane at 00:00 UTC on June 1. Andres reached its peak intensity six hours later with maximum sustained winds of 145 mph km/h on 5 and a minimum pressure of 937 mbar (hPa; 27.67 inHg).Michael J. Brennan National Hurricane Center August 6, 2015 August 11, 2015 Hurricane Andres Tropical Cyclone Report EP012015_Andres PDF Miami, Florida Thereafter, the system moved west-northwestwards over cooler waters and into a more stable environment, which led to a swift weakening trend. Andres fell below hurricane strength on the morning of June 2, and weakened into a tropical storm a day later. Further weakening ensued as convection around Andres's center dissipated, and the NHC declared Andres a remnant low on June 4.Todd B. Kimberlain Post-Tropical Cyclone Andres Discussion Number 31 http://www.nhc.noaa.gov/archive/2015/ep01/ep012015.public.031.shtml National Hurricane Center June 4, 2015 June 4, 2015 Miami, Florida
Moisture extending from the remnants of Andres brought light rain to parts of the Southwest United States, with Phoenix, Arizona having measurable precipitation on June 5 for the first time since records began in 1896.Jeff Masters Weather Underground June 5, 2015 June 5, 2015 Category 2 Hurricane Blanca Headed Towards Baja Mexico http://www.wunderground.com/blog/JeffMasters/comment.html?entrynum=3007 dead https://web.archive.org/web/20150605162658/http://www.wunderground.com/blog/JeffMasters/comment.html?entrynum=3007 June 5, 2015 This moisture further extended into Colorado, resulting in scattered severe thunderstorms.Tom Roeder Chhun Sun The Gazette June 5, 2015 June 9, 2015 Flood advisory issued for Colorado Springs http://gazette.com/flood-advisory-issued-for-colorado-springs/article/1553186 July 26, 2015 https://web.archive.org/web/20150726061624/http://gazette.com/flood-advisory-issued-for-colorado-springs/article/1553186 dead
Hurricane Blanca
EPac
Blanca 2015-06-03 2025Z (Worldview).jpg
Blanca 2015 path.png
May 31
June 9
125
936
Hurricane Blanca (2015)
A tropical wave first monitored by the NHC late on May 27 spawned a weak low-pressure area well south of Acapulco, Mexico, two days later.Eric S. Blake Tropical Weather Outlook valid 500 pm PDT Wed May 27, 2015 http://www.nhc.noaa.gov/archive/text/TWOEP/2015/TWOEP.201505272332.txt National Hurricane Center May 27, 2015 May 31, 2015 Miami, FloridaStacy R. Stewart Tropical Weather Outlook valid 1100 am PDT Wed May 29, 2015 http://www.nhc.noaa.gov/archive/text/TWOEP/2015/TWOEP.201505291731.txt National Hurricane Center May 29, 2015 May 31, 2015 Miami, Florida Plagued by strong upper-level winds from Hurricane Andres, the disturbance slowly organized into the season's second tropical depression at 12:00 UTC on May 31 and further into Tropical Storm Blanca on the following day. Moving little within a weak steering regime, the cyclone began to rapidly deepen by June 2 as conditions aloft became more favorable; following the appearance of a pinhole eye, Blanca became a major hurricane at 12:00 UTC on June 3. Shortly thereafter, Blanca reached its peak intensity as a Category 4 hurricane with winds of 145 mph km/h on 5 and a pressure of 936 mbar hPa inHg on.Richard J. Pasch David P. Roberts National Hurricane Center November 30, 2015 November 30, 2015 Hurricane Blanca Tropical Cyclone Report EP022015_Blanca Miami, Florida PDF Tremendous upwelling of cooler waters, with some areas falling from 30 to 21 C F on, resulted in weakening early on June 4. A concurrent eyewall replacement cycle spurred further weakening and Blanca degraded to Category 1 status by June 5. The next day, a shifting ridge steered Blanca northwest back over warm waters, allowing Blanca to quickly reintensify to a secondary peak of 130 mph km/h on 5. However, as Blanca tracked poleward, waters beneath the cyclone cooled yet again, prompting a quick weakening trend. After weakening to a tropical storm on June 7, Blanca made landfall around 12:00 UTC on June 8, near Puerto Cortés with winds of 45 mph km/h on 5, and became the earliest instance of a landfall in the Baja California Peninsula since records began in 1949.Jeff Masters Weather Underground June 8, 2015 June 8, 2015 Tropical Storm Blanca Hits Baja a Month Earlier Than Their Previous Earliest Landfall https://www.wunderground.com/blog/JeffMasters/tropical-storm-blanca-hits-baja-a-month-earlier-than-their-previous-ea.html Swiftly weakening over land, Blanca degenerated to a remnant low on June 9 and dissipated shortly after.
On June 3, precautionary alerts were raised across the southern Baja California Peninsula and much of Western Mexico, due to potential impacts from the hurricane.El Universal June 3, 2015 June 3, 2015 Semar activa Plan Marina ante huracán Blanca http://www.eluniversal.com.mx/estados/2015/semar-plan-marina-blanca-1104739.html es June 10, 2015 https://web.archive.org/web/20150610050444/http://www.eluniversal.com.mx/estados/2015/semar-plan-marina-blanca-1104739.html dead A collective 3,300 troops from the Mexican Army and Navy were deployed to Baja California Sur to ensure the safety of residents.Notimex Economía Hoy June 8, 2015 June 9, 2015 Tormenta tropical Blanca sigue debilitándose http://www.economiahoy.mx/nacional-eAm-mx/noticias/6775618/06/15/Tormenta-tropical-Blanca-sigue-debilitandose.html es Although Blanca remained far from Jalisco, large swells and rip currents produced by the hurricane claimed four lives.es Iván Suárez Jaramillo Noticieros Televisa June 10, 2015 December 4, 2015 'Blanca' deja cuatro muertos a su paso por Jalisco http://noticieros.televisa.com/mexico-estados/1506/blanca-deja-cuatros-muertos-su-paso-jalisco/ Jalisco, Mexico Across Baja California Sur, high winds downed power lines and left 104,106 residents without electricity. However, around 90 percent of the outages were fixed within 12 hours of the storm.El Sol de Mexico June 9, 2015 June 9, 2015 Blanca afectó 40% de usuarios de energía eléctrica en BCS http://www.oem.com.mx/elsoldemexico/notas/n3835416.htm Los Cabos, Mexico es June 10, 2015 https://web.archive.org/web/20150610065938/http://www.oem.com.mx/elsoldemexico/notas/n3835416.htm dead The remnants of Blanca later brought much-needed rain to parts of the Southwestern United States.Kristina Pydynowski AccuWeather June 9, 2015 December 4, 2015 Blanca to Raise Risk of Southwest US Downpours http://www.accuweather.com/en/weather-news/blancas-moisture-to-increase-s-1/48332488 https://web.archive.org/web/20151208082449/http://www.accuweather.com/en/weather-news/blancas-moisture-to-increase-s-1/48332488 December 8, 2015 dead Daily rainfall records were broken in several areas, though accumulations were generally less than 1 in mm on.Veronica Rocha The Los Angeles Times June 10, 2015 June 11, 2015 The rain wasn't much, but it broke records for June http://www.latimes.com/local/lanow/la-me-ln-june-rainfall-records-20150610-story.html Some flooding took place in Santa Barbara County, California.National Weather Service Office in Los Angeles, California National Oceanic and Atmospheric Administration June 11, 2015 June 11, 2015 Preliminary Local Storm Report http://www.nws.noaa.gov/view/validProds.php?prod=LSR&node=KLOX Los Angeles, California June 14, 2015 https://web.archive.org/web/20150614032015/http://www.nws.noaa.gov/view/validProds.php?prod=LSR&node=KLOX dead Flash floods across Nevada inundated homes and roads,National Weather Service Office in Reno, Nevada National Climatic Data Center 2015 December 4, 2015 Nevada Event Report: Flash Flood http://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=586948National Weather Service Office in Reno, Nevada National Climatic Data Center 2015 December 4, 2015 Nevada Event Report: Flash Flood http://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=574966
National Weather Service Office in Reno, Nevada National Climatic Data Center 2015 December 4, 2015 Nevada Event Report: Flash Flood http://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=574968
National Weather Service Office in Reno, Nevada National Climatic Data Center 2015 December 4, 2015 Nevada Event Report: Flash Flood http://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=578163 and also caused minor damage to landscaping.National Weather Service Office in Reno, Nevada National Climatic Data Center 2015 December 4, 2015 Nevada Event Report: Flash Flood http://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=586933 In New Mexico, strong thunderstorms brought hail of up to 1.75 in cm on in diameter,National Weather Service Office in Albuquerque, New Mexico National Climatic Data Center 2015 December 4, 2015 New Mexico Event Report: Hail http://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=572275 and spawned a brief EF0 tornado near Napi Headquarters.National Weather Service Office in Albuquerque, New Mexico National Climatic Data Center 2015 December 4, 2015 New Mexico Event Report: EF0 Tornado http://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=572270 Damage across California amounted to $68,000,National Climatic Data Center 2015 October 18, 2015 California Event Reports: June 9–13, 2015 https://www.ncdc.noaa.gov/stormevents/listevents.jsp?eventType=ALL&beginDate_mm=06&beginDate_dd=09&beginDate_yyyy=2015&endDate_mm=06&endDate_dd=13&endDate_yyyy=2015&county=ALL&hailfilter=0.00&tornfilter=0&windfilter=000&sort=DT&submitbutton=Search&statefips=6%2CCALIFORNIA while damage across Nevada totaled $46,000.National Climatic Data Center 2015 December 4, 2015 Nevada Event Reports: June 9–11, 2015 http://www.ncdc.noaa.gov/stormevents/listevents.jsp?eventType=ALL&beginDate_mm=06&beginDate_dd=09&beginDate_yyyy=2015&endDate_mm=06&endDate_dd=11&endDate_yyyy=2015&county=ALL&hailfilter=0.00&tornfilter=0&windfilter=000&sort=DT&submitbutton=Search&statefips=32%2CNEVADA Damage in New Mexico reached $20,000.National Climatic Data Center 2015 December 4, 2015 New Mexico Event Reports: June 9–11, 2015 http://www.ncdc.noaa.gov/stormevents/listevents.jsp?eventType=ALL&beginDate_mm=06&beginDate_dd=09&beginDate_yyyy=2015&endDate_mm=06&endDate_dd=11&endDate_yyyy=2015&county=ALL&hailfilter=0.00&tornfilter=0&windfilter=000&sort=DT&submitbutton=Search&statefips=35%2CNEW+MEXICO https://web.archive.org/web/20151208071439/http://www.ncdc.noaa.gov/stormevents/listevents.jsp?eventType=ALL&beginDate_mm=06&beginDate_dd=09&beginDate_yyyy=2015&endDate_mm=06&endDate_dd=11&endDate_yyyy=2015&county=ALL&hailfilter=0.00&tornfilter=0&windfilter=000&sort=DT&submitbutton=Search&statefips=35%2CNEW+MEXICO December 8, 2015 dead Additionally, on June 10, some of Blanca's moisture moved north and brought light showers to the San Francisco Bay Area.Evan Sernoffsky SFGate June 10, 2015 December 25, 2015 Bay Area showers break records, but dry weather to return http://www.sfgate.com/news/article/Morning-showers-in-Bay-Area-may-turn-to-6318472.php#photo-8128442
Hurricane Carlos
EPac
Carlos 2015-06-13 1755Z.jpg
Carlos 2015 path.png
June 10
June 17
80
978
Hurricane Carlos (2015)
In early June, a Kelvin wave interacted with a few tropical waves to the south of Mexico. The system gradually organized and was designated as a tropical depression on June 10, while situated about 290 mi km on south-southeast of Puerto Escondido, Oaxaca. Drifting slowly northwestward, the depression was upgraded further to tropical storm intensity. Although persistent wind shear and dry air hampered intensification early on, Carlos strengthened into a hurricane on June 13 after moving into more favorable conditions. However, the return of dry air and upwelling caused the storm to deteriorate into a tropical storm. Paralleling the Mexican coast, Carlos regained hurricane intensity on June 15 and peaked with sustained winds of 90 mph km/h on 5 and a pressure of 978 mbar hPa inHg on the next day. Wind shear and dry air afterwards caused Carlos to rapidly weaken, falling to tropical storm intensity on June 17 and degenerating into a remnant low-pressure area hours later.EP032015_Carlos Hurricane Carlos Tropical Cyclone Report John L. Beven II Christopher W. Landsea October 27, 2015 National Hurricane Center November 10, 2015 Miami, Florida
Carlos' formation prompted coastal authorities to enact precautionary measures along states deemed at risk. In Guerrero, 507 shelters were opened.Tropical Storm Carlos hits at Acapulco with high winds, surf http://newsok.com/tropical-storm-carlos-hits-at-acapulco-with-high-winds-surf/article/feed/850718 June 14, 2014 NewsOK June 14, 2014 Acapulco, Mexico The NHC also issued several tropical cyclone warnings and watches between June 11 and June 17 from Jalisco to Guerrero. Rough seas along the shore generated by the hurricane caused widespread damage. Twelve ships, including a yacht worth 11 million pesos (US$717,000),SPDnoticias.com June 18, 2015 May 21, 2017 Tormenta causada por huracán Carlos hundió yate de Jorge Kahwagi en Acapulco https://www.sdpnoticias.com/enelshow/famosos/2015/06/18/tormenta-causada-por-huracan-carlos-hundio-yate-de-jorge-kahwagi-en-acapulco es Mexico City sunk in Playa Manzanillo harbor.Héctor Briseño La Jordana June 21, 2015 June 22, 2015 Dueños de lanchas dañadas por 'Carlos' en Guerrero, sin recursos para repararlas http://www.jornada.unam.mx/ultimas/2015/06/21/duenos-de-lanchas-danadas-por-carlos-sin-recursos-para-repararlas-6943.html es Acapulco, Mexico https://web.archive.org/web/20150622092615/http://www.jornada.unam.mx/ultimas/2015/06/21/duenos-de-lanchas-danadas-por-carlos-sin-recursos-para-repararlas-6943.html 2015-06-22 dead The waves, along with heavy rain, inflicted at least 5 million pesos (US$326,000) of damage on Michoacán's coastal installations. Strong winds produced by the passing storm also downed trees, power poles, and billboards, especially in Acapulco.Bajo Palabra June 12, 2015 June 12, 2015 Se Registran, Hasta El Momento, Daños Menores Por 'Carlos' En Guerrero http://bajopalabra.mx/2015/06/12/se-registran-hasta-el-momento-danos-menores-por-carlos-en-guerrero/ Acapulco, Guerrero es https://web.archive.org/web/20150614033356/http://bajopalabra.mx/2015/06/12/se-registran-hasta-el-momento-danos-menores-por-carlos-en-guerrero/ 2015-06-14 dead There, 16 homes were swept away by the waves.Tropical Storm Carlos hits at Acapulco with high winds, surf http://www.mercurynews.com/weather/ci_28311057/hurricane-carlos-weakens-some-nearly-stationary-off-mexico June 14, 2015 Associated Press Mercury News June 14, 2015 Acapulco, Mexico
Tropical Storm Ela
EPac
Ela 2015-07-08 2220Z.jpg
Ela 2015 path.png
July 8
July 10
40
1002
A tropical wave crossing the Eastern Pacific spawned a low-pressure area on July 3. The system gradually organized amid persistent wind shear and on July 8, the system intensified into Tropical Depression Four-E just before it entered the area of responsibility of the Central Pacific Hurricane Center (CPHC).Stacy R. Stewart Tropical Depression Four-E Discussion Number 1 http://www.nhc.noaa.gov/archive/2015/ep04/ep042015.discus.001.shtml? National Hurricane Center July 7, 2015 August 9, 2015 Miami, Florida On July 9, the depression intensified into a tropical storm as it tracked to the northwest, and was named Ela by the CPHC,Thomas Birchard Tropical Storm Ela Discussion Number 6 http://www.prh.noaa.gov/cphc/tcpages/archive/2015/TCDCP1.EP042015.006.201507090846 Central Pacific Hurricane Center July 8, 2015 August 9, 2015 Honolulu, Hawaii https://web.archive.org/web/20181128075223/http://www.prh.noaa.gov/cphc/tcpages/archive/2015/TCDCP1.EP042015.006.201507090846 November 28, 2018 dead becoming the first central Pacific tropical storm to form as a depression in the eastern Pacific but be named in the central since Lana in 2009. Ela intensified slightly to reach its peak intensity with winds of 45 mph km/h on 5 and a pressure of 1002 mbar hPa inHg on off, however, strong wind shear prevented Ela from intensifying further by removing thunderstorms from the circulation center, and eventually causing it to gradually weaken. Ela was downgraded to a depression on July 10, and not long after declared a remnant low well east of the Hawaiian Islands.EP042015_Ela Tropical Storm Ela Stacy R. Stewart Thomas Birchard Tropical Cyclone Report October 17, 2016 Central Pacific Hurricane Center November 20, 2016 Honolulu, Hawaii
Tropical Storm Halola
EPac
Halola 2015-07-12 0050Z.jpg
Halola 2015 path.png
July 10
July 12 (exited basin)
50
998
Typhoon Halola
A monsoon trough building across the Pacific Ocean spawned a large, ill-defined circulation well southwest of Hawaii on July 3. The circulation organized slightly and began to detach from the monsoon trough on July 6, but further development was halted for a while as an upper-level anticyclone imparted strong wind shear over the system. The anticyclone moved away on July 9, allowing the low-level circulation to move under the persistent convection to the northwest. As thunderstorm activity expanded in coverage, the system was declared Tropical Depression One-C by the CPHC at 06:00 UTC on July 10. Moving westwards under the influence a strong ridge to the north, the depression slowly strengthened into Tropical Storm Halola early on July 11. After intensifying to reach winds of 60 mph km/h on 5, a slight increase in wind shear prevented further strengthening. Maintaining that intensity, Halola crossed the International Date Line into the Western Pacific basin late on July 12, and entered the area of responsibility of the Japan Meteorological Agency.Derek Wroe Tropical Storm Halola Tropical Cyclone Report CP012015_Halola Central Pacific Hurricane Center July 9, 2017 June 9, 2019 Honolulu, Hawaii PDF
Tropical Storm Iune
EPac
Iune 2015-07-11 2305Z.jpg
Iune 2015 path.png
July 10
July 13
35
1004
A weak low-pressure area was first identified in the monsoon trough southeast of Hawaii on July 2. It drifted west-northwest, gradually becoming better defined as thunderstorm activity increased and it separated from the monsoon trough; by 06:00 UTC on July 10, there was sufficient organization to declare it a tropical depression. The small size of the cyclone made it especially susceptible to moderate upper-level winds, and it failed to intensify to Tropical Storm Iune until 18:00 UTC on July 11, when deep convection persisted near the center. No further intensification occurred amid light southerly wind shear, and Iune weakened to a tropical depression around 18:00 UTC on July 12 as it moved west-southwest. After being devoid of thunderstorm activity for 18 hours, the storm degenerated to a remnant low by 12:00 UTC the next day. The post-tropical cyclone moved west across the Central Pacific before finally dissipating around 12:00 UTC on July 17.Christopher Jacobson Tropical Storm Iune Tropical Cyclone Report CP022015_Iune Central Pacific Hurricane Center April 16, 2018 June 9, 2019 Honolulu, Hawaii PDF
Hurricane Dolores
Dolores
EPac
Dolores 2015-07-15 1755Z.jpg
Dolores 2015 path.png
July 11
July 18
115
946
Hurricane Dolores (2015)
A westward-moving tropical wave crossed Central America and entered the Eastern Pacific on July 9. On July 11, the system was declared Tropical Depression Five-E while located roughly 345 mi km on 5 south-southeast of Acapulco, Mexico. Amid moderate northwesterly wind shear, the depression gradually strengthened into Tropical Storm Dolores and reached hurricane status on July 13. As Dolores moved roughly parallel to the coast of Mexico, the shear over the system decreased, allowing for a burst of rapid intensification. Dolores peaked as a Category 4 hurricane with winds of 130 mph km/h on 5 and a minimum pressure of 946 mbar (hPa; 946 mbar inHg on 4 out) early on July 15. However, as Dolores approached Socorro Island, the cyclone underwent an eyewall replacement cycle and began to steadily weaken. The storm remained potent though as it passed Socorro Island, with an automated weather station on the island recording sustained hurricane-force winds. Despite completing the cycle on July 16, Dolores had moved over cooler sea surface temperatures, and hence continued its weakening trend. By the morning of July 17, Dolores had deteriorated to a tropical storm, and eventually degenerated into a post-tropical remnant low about 300 mi km on 5 west of the Baja California coast the next day. The remnant low slowly curved southwards and dissipated on July 22 well west of San Diego.Hurricane Dolores Recap The Weather Channel http://www.weather.com/storms/hurricane/news/tropical-storm-hurricane-dolores-mexico-eastern-pacific-july-2015 July 19, 2015 August 8, 2015EP052015_Dolores Hurricane Dolores Tropical Cyclone Report Todd B. Kimberlain October 27, 2015 National Hurricane Center November 11, 2015 Miami, Florida
Moisture extending from the storm's remnants brought record rains and thunderstorms to Southern California; record monthly rainfall totals include 1.70 in mm 2 on in San Diego, 1.30 in mm 2 on in Los Angeles, and 1.16 in mm 3 on in Paso Robles. In the foothills and mountains of east San Diego County, rainfall exceeded 4 in mm 1 on.http://www.weather.com/storms/hurricane/news/southwest-flood-threat-july-2015-tropical-storm-hurricane-dolores California Gets 'Super Historic' July Rainfall Thanks to Former Hurricane Dolores; More Rain In the West Into Tuesday (FORECAST) July 20, 2015 The Weather Channel March 21, 2019Record Event Report http://www.nws.noaa.gov/view/national.php?prod=rer National Weather Service July 19, 2015 https://web.archive.org/web/20150714200755/http://www.nws.noaa.gov/view/national.php?prod=RER dead July 14, 2015 This had the effect of helping firefighters contain the North Fire,Kevin Bryne Moisture to Help Firefighters Gain Upper Hand on Destructive North Fire Burning in California http://www.accuweather.com/en/weather-news/firefighters-gain-ground-on-fi/50407810 July 20, 2015 Accuweather July 20, 2015 August 5, 2015 https://web.archive.org/web/20150805083801/http://www.accuweather.com/en/weather-news/firefighters-gain-ground-on-fi/50407810 dead but also resulted in debris flows and rock slides that damaged about 90 homes and submerged cars. The San Diego River reached levels of 8.9 ft m on—just below flood stage—and overflowed its banks in a few areas. Flash flooding occurred in Moreno Valley, Perris, and La Mesa, while a microburst occurred in Tierrasanta. A haboob was also recorded in Anza-Borrego Desert State Park.National Weather Service Office in San Diego, California National Climatic Data Center 2015 May 26, 2015 California Event Report: Flash Flood https://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=596658 Strong winds blew over a semi truck as well as power poles and lines on Interstate 40 near the California-Nevada border, obstructing the road in both directions and causing $75,000 in damage.National Weather Service Office in Las Vegas, Nevada National Climatic Data Center 2015 May 26, 2015 California Event Report: Thunderstorm Wind https://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=582505 In Kern County, a 62-year-old man was killed by a lightning strike.National Weather Service Office in Hanford, California National Climatic Data Center 2015 May 5, 2015 California Event Report: Lightning https://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=600029 A bridge along Interstate 10 near Desert Center was washed out, injuring one. Damage to the bridge was placed at $50 million.National Weather Service Office in Phoenix, Arizona National Climatic Data Center 2015 December 2, 2015 California Event Report: Flash Flood http://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=579890Patrick Edgell Megan Terlecky Joe Galli Bianca Rae I-10 bridge repair expected to cost $5M KESQ-TV Desert Center, California July 19, 2015 https://www.kesq.com/home/i-10-bridge-repair-expected-to-cost-5m/63060777 July 19, 2015 December 22, 2018 https://web.archive.org/web/20181222225556/https://www.kesq.com/home/i-10-bridge-repair-expected-to-cost-5m/63060777 dead Another road was washed out by flash flooding, this time along State Route 78 southwest of Cibola, Arizona, with damage totaling $50,000.National Weather Service Office in Phoenix, Arizona National Climatic Data Center 2015 May 26, 2015 California Event Report: Flash Flood https://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=582861 Hail the size of golf balls was recorded in Bear Valley, Alpine County, damaging a police vehicle.National Weather Service Office in Sacramento, California National Climatic Data Center 2015 May 7, 2015 California Event Report: Hail https://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=596733 Losses across California reached $50.477 million.National Climatic Data Center 2015 May 7, 2019 California Event Reports: July 17–20, 2015 https://www.ncdc.noaa.gov/stormevents/listevents.jsp?eventType=ALL&beginDate_mm=07&beginDate_dd=17&beginDate_yyyy=2015&endDate_mm=07&endDate_dd=20&endDate_yyyy=2015&county=ALL&hailfilter=0.00&tornfilter=0&windfilter=000&sort=DT&submitbutton=Search&statefips=6%2CCALIFORNIA
Tropical Storm Enrique
Enrique
EPac
Enrique 2015-07-14 2155Z (cropped).jpg
Enrique 2015 path.png
July 12
July 18
45
1000
A tropical wave about 1,150 mi km on southwest of the tip of the Baja California Peninsula spawned a broad low-pressure area on July 10. The low's circulation became increasingly well-defined as the tropical wave moved away from the system, leading to the classification of Tropical Depression Six-E at 12:00 UTC on July 12. Gradually organizing as it crawled west-northwestwards, the depression intensified to become Tropical Storm Enrique 18 hours later. Despite being situated in a generally favorable environment, dry air to the northwest of Enrique entrained into its circulation, causing the system to struggle to intensify. Eventually, the system reached its peak intensity late on July 14 with 50 mph km/h on 5 winds and a minimum pressure of 1,000 mbar (hPa; 1000 mbar inHg on 4 out). Thereafter, increasing southwesterly vertical wind shear threatened to expose the low-level circulation, and Enrique started to weaken on July 15. Despite moving over cooler waters, Enrique maintained its intensity over the next two days as it began to slow down and turn to the southwest under the influence of Hurricane Dolores to its east. During the afternoon of July 17, Enrique weakened to a tropical depression, and degenerated to a remnant low the next day. The remnants curved back to the east over the next few days, dissipating entirely well west of the Baja California Peninsula by July 22.Daniel P. Brown National Hurricane Center September 16, 2015 April 29, 2017 Tropical Storm Enrique Tropical Cyclone Report EP062015_Enrique PDF Miami, Florida
Tropical Storm Felicia
EPac
Felicia 2015-07-23 1845Z.jpg
Felicia 2015 path.png
July 23
July 24
35
1004
A westward-tracking tropical wave moved off Africa on July 7, crossing into the East Pacific nine days later. The disturbance was initially disorganized, with a broad, elongated circulation and intermittent convection; by 06:00 UTC on July 23, however, it acquired sufficient organization to be declared a tropical depression about 430 mi km on 5 southwest of Baja California. Six hours later, the depression intensified into Tropical Storm Felicia and attained peak intensity with winds of 40 mph km/h on 5 and a pressure of 1004 mbar (hPa; 29.65 inHg). The negative effects of shear, dry air, and cooler waters began to affect Felicia almost immediately, and the cyclone weakened to a tropical depression by 00:00 UTC on July 24. All associated convection with the storm dissipated by 18:00 UTC that day, marking Felicia's degeneration into a remnant low 545 mi km on 5 west of the southern tip of Baja California. The low turned west and southwest prior to opening into a trough on July 28.John P. Cangialosi National Hurricane Center September 3, 2015 May 9, 2017 Tropical Storm Felicia Tropical Cyclone Report EP072015_Felicia PDF Miami, Florida
Tropical Depression Eight-E
EPac
08E 2015-07-28 2205Z.jpg
08E 2015 path.png
July 27
July 29
30
1006
A tropical wave accompanied by showers and thunderstorms entered the Eastern Pacific Ocean on July 19. Tracking steadily westwards, the wave formed a low-pressure area in the middle of the Eastern Pacific on July 27. Turning slightly to the west-northwest, the low slowly intensified into Tropical Depression Eight-E six hours later. However, strong north-northwesterly wind shear prevented it from intensifying into a tropical storm. As Eight-E moved into a drier environment, it failed to sustain deep convection near its center, and eventually degenerated into a remnant low late on July 29. Eight-E's remnants continued tracking in a westward direction and opened up into a trough by August 1 well east-southeast of Hawaii.EP082015_Eight-E Tropical Depression Eight-E Tropical Cyclone Report Robbie J. Berg September 9, 2015 National Hurricane Center November 12, 2015 Miami, Florida
Hurricane Guillermo
EPac
Guillermo 2015-07-31 1935Z.jpg
Guillermo 2015 path.png
July 29
August 7
95
967
A tropical disturbance well south of the Baja California Peninsula gained enough organization to be declared Tropical Depression Nine-E on July 29. Located in an environment of low wind shear, high sea surface temperatures and abundant moisture, conditions were very favorable for strengthening, allowing Nine-E to intensify into Tropical Storm Guillermo just six hours later. Continuing to quickly intensify while tracking steadily west-northwestwards, Guillermo became a hurricane only 36 hours after its formation, and eventually reached peak intensity with winds of 110 mph km/h on 5 and a pressure of 967 mbar hPa inHg on—a strong Category 2 hurricane. Guillermo weakened slightly afterwards, but remained at Category 2 strength as it crossed 140°W into the Central Pacific late on August 1. However, as Guillermo neared Hawaii, increasing southwesterly wind shear began to weaken the cyclone, and Guillermo eventually degraded to a tropical storm on August 3. Wobbling towards the west-northwest following a break in the subtropical ridge, Guillermo weakened further to a tropical depression on August 7, located 90 mi km on 5 north of Maui. Not long after, Guillermo degenerated to a post-tropical low, and dissipated altogether by August 9.EP092015_Guillermo Hurricane Guillermo Tropical Cyclone Report Lixion A. Avila Jeff Powell February 22, 2016 National Hurricane Center February 3, 2019 Miami, Florida
On August 6, some of Guillermo's moisture was brought to Northern California and the San Francisco Bay Area by the jet stream, bringing rare dry lightning storms to those areas during the night.Monica Woods USA Today August 6, 2015 April 25, 2019 Active Pacific hurricane season brings unusual summer rain, risk of lightning https://www.usatoday.com/story/weather/2015/08/06/california-record-rain-fire-danger-lightning-fires-el-nio/31202989/
Hurricane Hilda
EPac
Hilda 2015-08-08 2025Z.jpg
Hilda 2015 path.png
August 6
August 13
125
937
A tropical wave behind Guillermo spawned a well-defined low-pressure area well to the west of Mexico, which became Tropical Depression Ten-E on August 6. The depression intensified into Tropical Storm Hilda the next day. Amid moderate northeasterly wind shear and warm waters, Hilda gradually strengthened into a hurricane on August 7 while moving steadily westwards. Rapid intensification ensued thereafter as the shear diminished and a small inner core developed, and Hilda became a major hurricane just before entering the Central Pacific. Continuing to rapidly intensify, Hilda eventually reached its peak intensity as a Category 4 hurricane late on August 8, possessing 145 mph km/h on 5 sustained winds and a minimum pressure of 937 mbar (hPa; 937 mbar inHg on 4 out). Hilda then moved over slightly cooler waters and into a drier environment, resulting in a weakening trend that saw Hilda drop below major hurricane status late on August 9. The next two days saw Hilda turn to the northwest and slow down while rounding the southwestern part of a subtropical ridge. Weakening continued and accelerated on August 10–11 as the subtropical jet stream over Hawaii inflicted strong wind shear over Hilda, exposing the low-level circulation. Under the influence of both the strong westerly jet stream and the easterly trade winds, Hilda became almost stationary as it rapidly dropped below hurricane strength on August 12. Convection over Hilda mostly dissipated by August 13, and the shallower system began to track to the west-southwest. Hilda degenerated to a remnant low south of Hawaii by August 14,EP102015_Hilda Hurricane Hilda Tropical Cyclone Report Eric S. Blake Jon Jelsema September 6, 2016 National Hurricane Center February 3, 2019 Miami, Florida after bringing heavy rain to the Big Island.http://www.weather.com/storms/hurricane/news/hurricane-hilda-eastern-pacific-august-2015?cm_ven=Twitter_No_20150814 Remnants of Hilda Depart from Hawaii August 14, 2015 The Weather Channel November 23, 2015
Tropical Depression Eleven-E
EPac
11E 2015-08-16 2100Z.jpg
11E 2015 path.png
August 16
August 17
30
1003
A broad low-pressure area around 485 mi km on 5 south-southwest of Cabo San Lucas organized into Tropical Depression Eleven-E on August 16. Moving on a northwesterly to west-northwesterly path, the cyclone failed to intensify due to its large circulation and entered an area of unfavorable conditions late on August 17. Southeasterly shear, dry air entrainment, and cooler waters caused the depression to lose its deep convection and eventually degenerate into a remnant low by August 18. The low turned to the north-northwest and dissipated into a trough two days later around 980 mi km on west of Punta Eugenia.EP112015_Eleven-E Tropical Depression Eleven-E Tropical Cyclone Report Richard J. Pasch February 16, 2016 National Hurricane Center February 27, 2016 Miami, Florida
Hurricane Loke
Tropical Storm Loke Tropical Storm Luke Tropical Storm Roke
EPac
Loke 2015-08-25 0110Z.jpg
Loke 2015 path.png
August 21
August 26
65
985
A low-level trough developed along the Intertropical Convergence Zone southeast of Hawaii on August 13. It merged with the remnants of Hurricane Hilda into the monsoon trough by August 18, and continued west with intermittent bursts of convection. One such burst detached a well-defined circulation from the monsoon trough and pulled it northeastwards, leading to the formation of a tropical depression by 00:00 UTC on August 21, which became Tropical Storm Loke later that day. A nearby upper-level trough restricted the outflow of the storm shortly after formation, causing it to briefly weaken to a tropical depression early on August 22 while it moved in an undulating fashion. However, as Loke accelerated to the northeast with the trough positioned to the northwest, the upper-level environment became more favorable, and the system regained tropical storm strength early on August 23. Developing a cloud-filled eye, Loke reached hurricane intensity around 18:00 UTC on August 24, simultaneously peaking with winds of 75 mph km/h on 5 and a pressure of 985 mbar hPa inHg on. Afterwards, Loke was once again hindered by the aforementioned nearby trough, which served to impart strong wind shear over the system and pull it to the north. The cyclone weakened to a tropical storm late on August 25 as it underwent extratropical transition, before it was rapidly drawn northwestwards into the circulation of a large extratropical low (formerly Typhoon Atsani) by 00:00 UTC on August 27.Derek Wroe Hurricane Loke Tropical Cyclone Report CP042015_Loke Central Pacific Hurricane Center August 1, 2017 June 9, 2019 Honolulu, Hawaii PDF
Hurricane Kilo
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August 22
September 1 (Exited basin)
120
940
Hurricane Kilo
The disturbance that would become Kilo was first noticed by the CPHC within a trough on August 17, located 1,150 mi km on southeast of the Big Island of Hawaii. The disturbance produced intermittent thunderstorm activity as it exited the trough on August 19–20. A mid-level ridge steered the disturbance west-northwestwards while imparting easterly wind shear over the system, serving to prevent the disturbance from organizing. Eventually, the shear decreased as the ridge weakened, and the disturbance became a tropical depression with convection near the center of circulation on August 22. During the next two days, the depression turned to the northwest and then the north around the western end of the weakening ridge, all the while remaining rather weak and disorganized. On August 26, however, the development of a new ridge directed the depression towards the southwest and caused the remaining wind shear to decrease. This led to the depression intensifying into Tropical Storm Kilo at 18:00 UTC as the system approached Johnston Atoll. Tropical storm warnings were issued for the atoll as Kilo passed within 35 mi km on 5 to the north at around 00:00 UTC on August 28.CP032015_Kilo Hurricane Kilo Thomas Birchard Tropical Cyclone Report October 10, 2018 Central Pacific Hurricane Center June 9, 2019 Honolulu, Hawaii Amid high sea surface temperatures and low vertical wind shear, Kilo began to quickly strengthen while being steered westwards by a mid-level ridge, attaining hurricane status on August 29. Over the next 24 hours, Kilo rapidly deepened into a Category 4 hurricane, with the winds nearly doubling from 75 to 140 mph km/h on 5. Kilo reached its peak intensity at the end of this strengthening phase, with the central pressure dropping to 940 mbar (hPa; 940 mbar inHg on 4 out). Around this time, Kilo was one of three hurricanes at Category 4 intensity spanning the Eastern and Central Pacific basins, the first such occurrence in recorded history. Thereafter, a slight weakening trend took place, with Kilo dropping to Category 3 status late on August 30. Turning to the northwest through a break in the ridge, Kilo maintained its intensity over the next couple of days as it approached the International Date Line. Between 12:00 UTC and 18:00 UTC on September 1, Kilo crossed the Date Line and entered the jurisdiction of the Japan Meteorological Agency, simultaneously becoming a typhoon. Kilo continued on as a tropical cyclone until September 10 when it dissipated near the western Kuril Islands of Russia, having traversed over 4,000 mi km on from its genesis point south of the Hawaii islands.
Operationally, Kilo was thought to have formed on August 20, and hence received a name before Loke, which formed on August 21. Kilo's date of formation was shifted to August 22 after post-storm analysis.
Hurricane Ignacio
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August 25
September 4
125
942
On August 25, a low-pressure system organized into Tropical Depression Twelve-E, before strengthening into Tropical Storm Ignacio later that day. Ignacio initially moved west-northwest, posing a threat to Hawaii. On August 26, Ignacio became a hurricane while continuing its trek towards Hawaii. Over the next few days, Ignacio struggled to intensify while being impacted by moderate wind shear. As wind shear relaxed, Ignacio was able to quickly intensify to major hurricane status on August 29.John L. Beven II Christopher Jacobson National Hurricane Center August 17, 2018 August 21, 2018 Hurricane Ignacio Tropical Cyclone Report EP122015_Ignacio PDF Miami, Florida and Honolulu, Hawaii At this time, the Big Island of Hawaii was placed under a tropical storm watch, as the island began feeling the effects of high surf.Ignacio Becomes Major Hurricane Overnight, Tropical Storm Watch Issued Big Island Video News http://www.bigislandvideonews.com/2015/08/29/ignacio-becomes-major-hurricane-overnight-tropical-storm-watch-issued/ August 29, 2015 September 11, 2015 Ignacio continued to rapidly intensify as it turned to the northwest and away from Hawaii, attaining peak intensity at Category 4 status with winds of 145 mph km/h on 5 and a minimum central pressure of 942 mbar (hPa; 942 mbar inHg on 4 out) on August 30. Ignacio was also one of three simultaneous Category 4 Pacific hurricanes east of the International Date Line along with Kilo and Jimena, the first such occurrence in recorded history.
After peaking in intensity, Ignacio began weakening as southwesterly wind shear increased. The system weakened to tropical storm strength at midnight on September 2 well north of Hawaii, but was soon able to reattain hurricane status while passing over anomalously warm waters and experiencing a brief respite in wind shear. Continuing to track northwards over decreasing sea surface temperatures, Ignacio weakened to a tropical storm for the last time on September 3, and became post-tropical late the next day. The remnants of Ignacio continued north across the Pacific, before turning to the east-northeast towards western Canada on September 6. On September 8, the extratropical remnants of Ignacio were absorbed by a cold front, hundreds of miles south of Alaska.
Hurricane Jimena
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August 26
September 9
135
932
A westward-moving low-pressure area organized into a tropical depression on August 26, around 735 mi km on southwest of Manzanillo, Mexico. Moving over very warm waters and located in an environment of low wind shear and abundant moisture, the depression steadily strengthened, becoming Tropical Storm Jimena on August 27. Jimena soon developed a tight inner core, with the radius of maximum winds extending just 40 mi km on 5 from the center. This allowed Jimena to explosively deepen over the next two days—over a 48-hour period, its winds increased by 115 mph km/h on 5. At 06:00 UTC on August 29, Jimena reached its peak intensity as a strong Category 4 hurricane, possessing winds of 155 mph km/h on 5 and a minimum barometric pressure of 932 mbar (hPa; 932 mbar inHg on 4 out). Soon after, Jimena turned to the west-northwest and underwent an eyewall replacement cycle.Stacy R. Stewart Jeffrey Powell National Hurricane Center February 4, 2016 February 9, 2016 Hurricane Jimena Tropical Cyclone Report EP132015_Jimena PDF Miami, Florida Despite weakening slightly, Jimena remained at Category 4 status, thus becoming one of three simultaneous Category 4 Pacific hurricanes east of the International Date Line on August 30—the first such occurrence of its kind.
On August 30, Jimena completed the eyewall replacement cycle and quickly regained 150 mph km/h on 5 winds, this time with a larger eye of 40 – 45 mi km on diameter. However, upwelling of cooler waters beneath the hurricane and entrainment of mid-level dry air into the circulation, as well as a second eyewall replacement cycle, resulted in a steady weakening beginning late on August 31. The next day, Jimena crossed 140°W as a Category 3 hurricane and entered the jurisdiction of the CPHC. Jimena continued to weaken slowly amid cooling sea surface temperatures and increasing westerly wind shear, eventually degrading below hurricane status on September 5. Curving to the northwest, bursts of convection maintained Jimena as a tropical storm, in spite of westerly wind shear in excess of 25 mph km/h on 5 causing the low-level circulation center to be exposed.Christopher Jacobson Tropical Storm Jimena Discussion Number 47 http://www.prh.noaa.gov/cphc/tcpages/archive/2015/TCDCP4.EP132015.047.201509070900 Central Pacific Hurricane Center September 6, 2015 September 6, 2015 Honolulu, HawaiiChristopher Jacobson Tropical Storm Jimena Discussion Number 48 http://www.prh.noaa.gov/cphc/tcpages/archive/2015/TCDCP4.EP132015.048.201509071457 Central Pacific Hurricane Center September 7, 2015 September 7, 2015 Honolulu, Hawaii Eventually, on September 9, Jimena weakened to a tropical depression as it turned west-southwestwards towards the Hawaiian islands. Succumbing to the strong shear, Jimena degenerated into a remnant low just before 00:00 UTC on September 10, roughly 230 mi km on 5 north of the Hawaiian islands.
While passing north of the Hawaiian Islands on September 11, the remnants of Jimena diverted the winds to blow from the southeast, bringing humid air and atmospheric instability to the east-facing slopes of the Koʻolau Range on Oahu. This generated prolonged heavy rains that led to localized flash floods, made worse by saturated soils from earlier rainfall events. Flood advisories were issued early on September 11 and were cancelled the next morning. Flooding from the Waikane Stream forced the Kamehameha Highway to close for a few hours, reopening only in the evening. A peak rainfall total on Oahu of 9.37 in mm 3 on was recorded at Moanalua.Kevin R. Kodama September 2015 Precipitation Summary https://www.prh.noaa.gov/hnl/hydro/pages/sep15sum.php October 6, 2015 National Weather Service Office in Honolulu, Hawaii April 24, 2019 https://web.archive.org/web/20190407054719/https://www.prh.noaa.gov/hnl/hydro/pages/sep15sum.php April 7, 2019 deadCraig Gima Flash flood warnings canceled; flood watch remains for Oahu, Kauai County https://www.staradvertiser.com/2015/09/11/hawaii-news/flash-flood-warnings-canceled-flood-watch-remains-for-oahu-kauai-county-2/ April 24, 2019 Honolulu Star-Advertiser September 11, 2015
Tropical Storm Kevin
EPac
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August 31
September 5
50
998
A tropical wave crossed Central America on August 25. Although it initially only produced transient bursts of convection, slow organization of the feature led to the formation of a tropical depression by 18:00 UTC on August 31 while located well south of Baja California. Steered northwest and the north-northwest, the cyclone intensified into Tropical Storm Kevin by 18:00 UTC the next day while being plagued by moderate wind shear. After reaching peak intensity with winds of 60 mph km/h on 5 and a pressure of 998 mbar hPa inHg on on September 3, a further increase in upper-level winds caused the low- and mid-level circulations to become displaced. Devoid of deep convection, Kevin degenerated to a remnant low by 12:00 UTC on September 5; the remnant circulation drifted northwest and dissipated the following day.Todd B. Kimberlain Tropical Storm Kevin Tropical Cyclone Report EP142015_Kevin National Hurricane Center November 28, 2015 December 3, 2015 Miami, Florida PDF
Hurricane Linda
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September 5
September 10
110
950
Hurricane Linda (2015)
Early in September, cluster of convection associated with a broad low-pressure area began to organize, becoming Tropical Depression Fifteen-E at 18:00 UTC on September 5. The next day, the depression organized enough to be classified as a tropical storm and was given the name Linda. The nascent system rapidly strengthened as it moved on a northwestward course, with large amounts of deep convection forming around the center. Just 12 hours after becoming a tropical storm, Linda reached hurricane status, and on September 7, the system became a Category 2 hurricane. Linda's strengthening stalled thereafter as wind shear increased slightly and dry air intruded on Linda's inner core. The next day, however, Linda again quickly intensified, this time to a strong Category 3 hurricane with winds of 125 mph km/h on 5 and a minimum pressure of 950 mbar (hPa; 950 mbar inHg on 4 out). From September 9 onward, Linda rapidly weakened as it moved into an area of dry, stable air and decreasing water temperatures, becoming a remnant low less than a week after forming. Linda's remnants slowed as they turned to the west-northwest and then back to the east before dissipating on September 14.EP152015_Linda Hurricane Linda Tropical Cyclone Report Daniel P. Brown November 12, 2015 National Hurricane Center November 21, 2015 Miami, Florida
Copious amounts of water vapor pulled north from Linda brought thunderstorms to portions of California beginning September 10. Flooding and rock slides prompted numerous road closures. One person drowned in the San Bernardino National Forest. Remnant moisture from Linda with a weak cold front also caused record heavy rainfall in Los Angeles on September 15,Jim Holt The Santa Clarita Valley Signal September 10, 2015 September 11, 2015 Fierce heat to give way to cooler weather in SCV http://www.signalscv.com/section/36/article/142215/ September 23, 2015 https://web.archive.org/web/20150923121530/http://www.signalscv.com/section/36/article/142215/ deadJohn Antczak Linda S. Zhang Associated Press KBAK, KBFX September 10, 2015 September 11, 2015 Heat blankets California, mixed with lightning, storms http://www.bakersfieldnow.com/news/local/Heat-blankets-California-mixed-with-lightning-storms-326514311.html September 27, 2015 https://web.archive.org/web/20150927131914/http://www.bakersfieldnow.com/news/local/Heat-blankets-California-mixed-with-lightning-storms-326514311.html dead with three swift water rescues and roughly 2 in mm 1 on of rain across the Los Angeles Basin.Chris Dolce Los Angeles Sees Unusual September Rains From Remnants of Hurricane Linda; Water Rescues Reported on L.A. River http://www.weather.com/news/news/los-angeles-unusual-september-rain-remnants-hurricane-linda The Weather Channel September 19, 2015 Losses in the state reached $2.1 million.National Climatic Data Center 2015 December 17, 2015 California Event Reports: September 8–15, 2015 https://www.ncdc.noaa.gov/stormevents/listevents.jsp?eventType=ALL&beginDate_mm=09&beginDate_dd=08&beginDate_yyyy=2015&endDate_mm=09&endDate_dd=15&endDate_yyyy=2015&county=ALL&hailfilter=0.00&tornfilter=0&windfilter=000&sort=DT&submitbutton=Search&statefips=6%2CCALIFORNIA Moisture from Linda also catalyzed the formation of scattered thunderstorms across Utah on September 14,Bob Henson Weather Underground September 15, 2015 March 8, 2019 Linda's Moisture Contributes to Heavy Rain, Deadly Flooding in Southwest https://maps.wunderground.com/blog/JeffMasters/comment.html?entrynum=3113 April 2020 InternetArchiveBot yes giving rise to two major flash flood incidents that became the deadliest flood event in Utah's history, with 21 people killed. The first flash flood, occurring near Hildale, swept away two vehicles carrying a total of 16 people while they were watching the rising floodwaters, killing 13 of them.David DeMille The Spectrum Gannett Company September 29, 2015 November 21, 2015 Results elusive in search for missing Hildale flood victim http://www.thespectrum.com/story/news/2015/09/29/draft-flood-relief-hildale/73046390/ Another death occurred when a man was swept away by floodwaters while traversing remote dirt roads.Laura Wagner National Public Radio September 17, 2015 September 17, 2015 Authorities Search For Another Possible Victim In Utah Flash Floods https://www.npr.org/sections/thetwo-way/2015/09/17/441284651/authorities-search-for-another-possible-victim-in-utah-flash-floods The second flash flood occurred in Keyhole Canyon at Zion National Park, causing seven canyoneers within the area to perish.Tim Stelloh NBC News September 17, 2015 September 17, 2015 After Devastating Utah Floods, Final Body Found in Zion National Park https://www.nbcnews.com/news/us-news/after-devastating-utah-floods-final-body-found-zion-natl-park-n429411 Damage totals in Washington County, Utah reached $750,000,National Weather Service Office in Salt Lake City, Utah National Climatic Data Center 2015 December 17, 2015 Utah Event Report: Flash Flood http://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=602738 while downstream flooding caused a further $500,000 of damage in Colorado City, Arizona.National Weather Service Office in Las Vegas, Nevada National Climatic Data Center 2015 December 17, 2015 Arizona Event Report: Flash Flood http://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=602149 The thunderstorms also caused some scattered damage across Arizona, with losses reaching $206,000.National Climatic Data Center 2015 December 17, 2015 Arizona Event Reports: September 12–14, 2015 https://www.ncdc.noaa.gov/stormevents/listevents.jsp?eventType=ALL&beginDate_mm=09&beginDate_dd=12&beginDate_yyyy=2015&endDate_mm=09&endDate_dd=14&endDate_yyyy=2015&county=ALL&hailfilter=0.00&tornfilter=0&windfilter=000&sort=DT&submitbutton=Search&statefips=4%2CARIZONA
According to San Jose State University, Linda's remnants might have contributed to the severity of the Valley Fire.Kevin Schultz San Francisco Chronicle September 27, 2015 October 3, 2015 Windy remnants of hurricane may have hastened Valley Fire http://www.sfchronicle.com/bayarea/article/Hurricane-may-have-hastened-Valley-Fire-6532084.php
Tropical Storm Malia
Tropical Storm Malia Cyclone Maila Tropical Storm Maria
EPac
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September 18
September 22
45
992
A trough formed near the eastern reaches of the Central Pacific on September 9. It moved swiftly westward and slowly organized into a tropical depression around 18:00 UTC on September 18 as deep convection formed near its center. The nascent cyclone moved northeast after formation, steered between a ridge to its northeast and a trough to its northwest. Strong upper-level winds plagued the system throughout its duration, but the depression nonetheless intensified into Tropical Storm Malia around 00:00 UTC on September 21 and attained peak intensity with winds of 50 mph km/h on 5 and a pressure of 992 mbar hPa inHg on twelve hours later. Malia turned northwest under increasing influence from the upper-trough, which simultaneously increased wind shear over the cyclone. After lacking deep convection for several hours, the storm degenerated to a remnant low by 18:00 UTC on September 22. The post-tropical cyclone moved north before being absorbed by an extratropical low over the north-central Pacific the next day.Jon Jelsema Tropical Storm Malia Tropical Cyclone Report CP052015_Malia Central Pacific Hurricane Center June 1, 2016 June 20, 2018 Honolulu, Hawaii PDF
Tropical Depression Sixteen-E
EPac
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September 20
September 21
30
1001
A tropical wave gained enough organization to be declared Tropical Depression Sixteen-E on September 20. Located in an environment of strong southerly shear, the depression failed to intensify into a tropical storm. The next day, the heavily sheared system made landfall on Baja California, then on Isla Tiburon, and finally in Sonora, Mexico. It dissipated just hours later, with its remnants going on to affect parts of Arizona and New Mexico.EP162015_Sixteen-E Tropical Depression Sixteen-E Tropical Cyclone Report John P. Cangialosi January 11, 2016 National Hurricane Center January 14, 2016 Miami, Florida
Widespread heavy rains in Baja California and Sonora caused heavy flooding. Preliminary damage estimates in El Fuerte, Sinaloa, reached 300 million pesos (US$17.7 million).es El Debate September 23, 2015 September 30, 2015 Desfogues dañan obras e inundan cultivos y granjas http://www.debate.com.mx/losmochis/Desfogues-danan-obras-e-inundan-cultivos-y-granjas-20150923-0013.html El Fuerte, Mexico The remnant low brought considerable moisture to the Desert Southwest, and later combined with other systems to produce flooding across the Great Plains and Upper Midwest.Erdman, Jon Wiltgen, Nick http://www.weather.com/forecast/regional/news/southern-california-arizona-desert-southwest-heavy-rain-outlook-sep2015 Remnants of Tropical Depression Sixteen-E Bring Flash Floods to Phoenix, Albuquerque and Omaha Metro Areas September 25, 2015 The Weather Channel September 27, 2015 In Arizona, severe thunderstorms occurred in Graham and Pima counties, resulting in $7,000 in property damage. Rainfall near Safford totaled up to 4 in mm 1 on, while hail and winds gusting to 60 mph on were recorded at Davis–Monthan Air Force Base. In addition, an EF0 tornado briefly touched down in adjacent Cochise County.National Weather Service Office in Tucson, Arizona National Climatic Data Center 2015 April 30, 2019 Arizona Event Report: Flash Flood https://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=602395 Flash floods near Quartzsite forced the closure of Arizona State Route 95 and caused $5,000 in damage,National Weather Service Office in Phoenix, Arizona National Climatic Data Center 2015 April 30, 2019 Arizona Event Report: Flash Flood https://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=597613 while flooding in Scottsdale caused $25,000 in damage.National Weather Service Office in Phoenix, Arizona National Climatic Data Center 2015 April 30, 2019 Arizona Event Report: Flash Flood https://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=597649 Meanwhile, in New Mexico, rainfall in Roswell reached 3 in mm 1 on. One person drowned along the Rio Grande in New Mexico. In Albuquerque, thunderstorms downed trees and flooded several streets. Property damage in New Mexico reached $85,000.National Weather Service Office in Albuquerque, New Mexico National Climatic Data Center 2015 April 30, 2019 New Mexico Event Report: Flash Flood https://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=596257 Further east, 8.00 in mm on of rain fell in Council Bluffs, Iowa. Over 5,000 people lost power in the Omaha metropolitan area.Remnants of Tropical Depression Sixteen-E Bring Flash Floods to Phoenix, Albuquerque and Omaha Metro Areas, The Weather Channel, September 26, 2015
Tropical Storm Niala
EPac
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September 25
September 28
55
992
On September 20, a tropical disturbance was identified southeast of Hawaii, moving westward south of the subtropical ridge. The disturbance slowly organized and became Tropical Depression Six-C on September 25. The system was upgraded into Tropical Storm Niala soon after as it headed west-northwest towards Hawaii, prompting the issuance of a tropical storm watch for the Big Island. Despite moving over very warm waters, a mid- to upper-level low-pressure system well northeast of the Hawaiian islands inflicted moderate wind shear over Niala, causing it to struggle to intensify. Eventually, at 18:00 UTC on September 26, Niala achieved peak intensity with winds of 65 mph km/h on 5 and a central pressure of 992 mbar (hPa; 992 mbar inHg on 4 out). The detrimental effects of the wind shear soon began to show as Niala slowed and turned westwards away from Hawaii, with the low-level circulation becoming exposed as thunderstorms were sheared to the east. On September 28, Niala weakened to a tropical depression, and became a post-tropical low by September 29. The shallow remnant cyclone turned to the southwest under the influence of the low-level trade winds, dissipating by October 1.CP062015_Niala Tropical Storm Niala Tropical Cyclone Report Sam Houston Tom Birchard November 16, 2016 Central Pacific Hurricane Center January 8, 2017 Honolulu, Hawaii
Hurricane Marty
EPac
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September 26
September 30
70
987
Hurricane Marty (2015)
A tropical wave, the northern portion of which led to the formation of the Atlantic's Tropical Depression Nine, emerged off the western coast of Africa on September 10. Steered steadily westward, the wave entered the East Pacific where deep convection coalesced around a well-defined center; this led to the formation of a tropical depression about 335 mi km on 5 southwest of Acapulco, Mexico by 18:00 UTC on September 26. The depression intensified into Tropical Storm Marty six hours later as it drifted north. Amid an environment conducive for strengthening, Marty reached hurricane intensity at 12:00 UTC on September 28 and attained peak intensity with winds of 80 mph km/h on 5 and a pressure of 987 mbar hPa inHg on shortly thereafter. Wind shear abruptly increased following peak intensity, causing the cyclone to weaken quickly; it was downgraded to a tropical storm at 06:00 UTC on September 29 and degenerated into a remnant low a day later. The low eventually dissipated south of the Mexico coastline on October 4.Robbie J. Berg Hurricane Marty Tropical Cyclone Report EP172015_Marty National Hurricane Center January 5, 2016 January 15, 2016 Miami, Florida
Heavy rains and flooding from the remnants of Marty rendered 35,000 people homeless in Sonora. Flooding in Guaymas damaged 800 homes and 400 vehicles; three people sustained injuries.es El Universal Periódico Correo October 5, 2015 October 5, 2015 Lluvias dejan 35 mil danmificados en Sonora http://periodicocorreo.com.mx/lluvias-dejan-35-mil-danmificados-en-sonora/ Guaymas, Mexico Damage in the city reached 500 million pesos (US$30 million). Rains from Marty also caused several landslides in Guerrero, as well as flooding that damaged 300 homes west of Acapulco and injured two.
Hurricane Oho
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October 3
October 8
95
957
In an uncommon occurrence characteristic of El Niño years, a slow-moving disturbance detached from a monsoon trough southeast of Hawaii and became Tropical Depression Seven-C on October 3. The system became Tropical Storm Oho shortly after as it tracked to the east-northeast. Under southwesterly wind shear, Oho failed to intensify over the next day or so while moving erratically, eventually settling on a generally northeastward path. On October 5, convection finally began to cover the low-level circulation center, allowing Oho to strengthen. Following further improvement of the storm's structure as seen on infrared and microwave satellite imagery, the CPHC declared Oho a hurricane at 12:00 UTC on October 6. Accelerating northeastwards, Oho reached peak intensity as a strong Category 2 hurricane on October 7, with winds of 110 mph km/h on 5 and a minimum pressure of 957 mbar (hPa; 957 mbar inHg on 4 out). Immediately after, the combination of southwesterly wind shear and cooler sea surface temperatures caused Oho to begin a weakening trend. Oho transitioned to an extratropical cyclone by 12:00 UTC on October 8 as its winds dropped below hurricane-force. The extratropical remnant of Oho later regained hurricane-force winds due to strong baroclinicity, before moving over Alaska in a weakened state on October 10 and dissipating a few hours later.CP072015_Oho Hurricane Oho Tropical Cyclone Report Sam Houston Derek Wroe November 21, 2016 Central Pacific Hurricane Center December 23, 2016 Honolulu, Hawaii
Tropical Depression Eight-C
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October 3
October 4
30
1001
On September 30, a tropical disturbance developed from a monsoon trough well east of the International Date Line. At that time, the system was about 1,035 mi km on southwest of Hawaii. Slowly organizing over the next few days, the CPHC started to issue advisories on the system on October 3 and designated it as Tropical Depression Eight-C. Shortly after, however, increasing southerly wind shear prevented the storm from intensifying to a tropical storm and caused its convection to collapse. With the low-level circulation being displaced to the south of the quickly dissipating convection, the CPHC issued its final advisory on the next day. Eight-C's remnants slowly drifted west-northwestward, crossing the Date Line on October 6 and dissipating a few hours later.CP082015_Eight-C Tropical Depression Eight-C Christopher Jacobson Tropical Cyclone Report October 10, 2017 Central Pacific Hurricane Center June 9, 2019 Honolulu, Hawaii The Japan Meteorological Agency, however, maintained the remnant system as a tropical depression when it crossed the Date Line.http://www.jma.go.jp/en/g3/ JMA WWJP25 Warning and Summary October 6, 2015 18z Japan Meteorological Agency https://archive.today/20240522121907/https://www.webcitation.org/6c7iowN4n?url=http://gwydir.demon.co.uk/advisories/WWJP25-RJTD_201510061800.htm May 22, 2024 October 10, 2015 October 6, 2015 dead mdy
Tropical Storm Nora
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October 9
October 15
60
993
A tropical wave departed the coast of Africa on September 19, eventually crossing Central America on October 3. It organized once in the Eastern Pacific, becoming a tropical depression around 12:00 UTC on October 9 and intensifying into Tropical Storm Nora 12 hours later. Moving along a west to west-northwest track, the cyclone entered the Central Pacific on October 11, where favorable environmental conditions allowed it to peak with winds of 70 mph km/h on 5 and a minimum pressure of 993 mbar (hPa; 993 mbar inHg on 4 out), just shy of hurricane strength. Upper-level winds soon became hostile, causing the system to weaken to a tropical depression early on October 14, degenerate to a remnant low late the next day, and ultimately dissipate just southeast of Hawaii around 00:00 UTC on October 16.EP182015_Nora Tropical Storm Nora Tropical Cyclone Report Lixion A. Avila December 8, 2015 National Hurricane Center December 24, 2015 Miami, Florida PDF
The remnants of Nora brought heavy rains to the windward slopes of the Hawaiian Islands on October 16−17. Rainfall totals of 3-6 in mm 1 on caused minor flooding on the Big Island, Oahu, and Maui. On the Big Island, excessive surface runoff briefly forced the closure of a portion of Highway 19.Kevin R. Kodama October 2015 Precipitation Summary https://www.prh.noaa.gov/hnl/hydro/pages/oct15sum.php November 5, 2015 National Weather Service Office in Honolulu, Hawaii April 30, 2019 https://web.archive.org/web/20190430150650/https://www.prh.noaa.gov/hnl/hydro/pages/oct15sum.php April 30, 2019 dead
Hurricane Olaf
EPac
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October 15
October 27
130
938
A broad low-pressure area formed well south of Mexico late on October 9. At first, it showed some signs of organization, but convection associated with the system soon diminished as it tracked steadily westwards. Eventually the system reorganized, and by October 15, it had gained enough organization to be designated as Tropical Depression Nineteen-E. The depression organized very slowly due to its elongated circulation, and only became a tropical storm two days later, upon which the NHC named it Olaf. Soon after, Olaf began to rapidly intensify amid very favorable environmental conditions and became a hurricane on October 18, with hints of an eye starting to appear within a small central dense overcast.Eric S. Blake Jon Jelsema National Hurricane Center February 9, 2016 May 7, 2016 Hurricane Olaf Tropical Cyclone Report EP192015_Olaf PDF Miami, Florida Located at just 9.3°N, it broke the record for the lowest-latitude hurricane formation in the Eastern Pacific basin since reliable records began in 1971.Eric S. Blake Hurricane Olaf Discussion Number 14 http://www.nhc.noaa.gov/archive/2015/ep19/ep192015.discus.014.shtml National Hurricane Center October 18, 2015 October 18, 2015 Miami, Florida Olaf's intensification rate increased further overnight, and the next day, Olaf became a major hurricane with a well-defined pinhole eye. At 9.8°N, it broke the record for the lowest-latitude major hurricane formation in the Eastern Pacific basin as well.Michael J. Brennan Hurricane Olaf Discussion Number 19 http://www.nhc.noaa.gov/archive/2015/ep19/ep192015.discus.019.shtml National Hurricane Center October 19, 2015 October 19, 2015 Miami, Florida Six hours later, Olaf was upgraded to a Category 4 hurricane, the eighth of the season. Moving west-northwestwards, Olaf reached peak intensity with 150 mph km/h on 5 winds and a pressure of 938 mbar (hPa; 938 mbar inHg on 4 out), just as it crossed into the Central Pacific basin.
After maintaining peak intensity for 12 hours, Olaf weakened to Category 3 status as it underwent an eyewall replacement cycle and encountered some dry mid-level air. Although the eye reappeared on satellite as the eyewall cycle completed, another one began while northwesterly wind shear increased, causing Olaf to weaken below major hurricane status while being pulled to the north by a passing trough. However, Olaf's northward movement resulted in a respite in shear, allowing Olaf to reintensify to a secondary peak intensity of 120 mph km/h on 5 on October 23. The next day, decreasing sea surface temperatures and another increase in wind shear finally began to weaken the storm for good. Despite maintaining a ragged eye until October 25, a further increase in wind shear from an approaching trough caused Olaf to weaken to a tropical storm while accelerating it to the east. On October 26, Olaf re-entered the Eastern Pacific, becoming the first storm on record to cross into the Central Pacific and turn back into the Eastern Pacific while still a tropical cyclone. The last of Olaf's deep convection continued to be sheared away, and the system became post-tropical on October 27 while still producing gale-force winds. Olaf's shallow remnants gradually weakened and turned back to the southwest, before dissipating on October 28.
Hurricane Patricia
EPac
Patricia 2015-10-23 1730Z.jpg
Patricia 2015 path.png
October 20
October 24
185
872
Hurricane Patricia
Meteorological history of Hurricane Patricia
Tropical Depression Twenty-E formed from a broad low-pressure area off the southwestern coast of Mexico on October 20. It only slowly intensified at first, becoming Tropical Storm Patricia later that day. Entering an atmosphere highly conducive to rapid deepening on October 21, Patricia organized rapidly, and became a hurricane late that day. On October 22, explosive intensification occurred, and in only 24 hours, Patricia became a Category 5 hurricane with 175 mph km/h on 5 winds. The intensification rate rivaled those of Hurricane Linda in 1997 and Hurricane Wilma in 2005. Patricia subsequently attained winds of 215 mph km/h on 5 and a central pressure of 872 mbar (hPa; 872 mbar inHg on 4 out), becoming the strongest tropical cyclone ever recorded in the Western Hemisphere, surpassing both the previous central pressure record set by Hurricane Wilma and the previous 1-minute sustained wind record set by Hurricane Allen. Afterwards, as it approached and later passed over Western Mexico, Patricia weakened even more rapidly than it intensified; just 30 hours after peaking in intensity, it was downgraded to a remnant low at 18:00 UTC on October 24.Jonathan Belles http://www.weather.com/storms/hurricane/news/hurricane-patricia-mexico-coast Three Years Ago, Hurricane Patricia Became the Record Strongest Hurricane in the Western Hemisphere With 215 MPH Winds October 22, 2018 The Weather Channel March 8, 2019 However, Patricia's landfall near Cuixmala, Jalisco as a Category 4 hurricane with winds of 150 mph km/h on 5, was still sufficient to qualify as the second strongest landfall by any Pacific hurricane, after only Hurricane Otis in 2023.
The precursor disturbance to Patricia brought heavy rain to Central America and parts of Mexico from October 18–20. Approximately 223,000 people were affected by flooding and six were killed: four in El Salvador, one in Guatemala, and one in Nicaragua.es J. Lopez F. Rodriquez El Periódico October 20, 2015 October 22, 2015 Lluvias han afectado a 223 mil guatemaltecos http://elperiodico.com.gt/2015/10/21/pais/lluvias-han-afectado-a-223-mil-guatemaltecos/ https://web.archive.org/web/20151124035007/http://elperiodico.com.gt/2015/10/21/pais/lluvias-han-afectado-a-223-mil-guatemaltecos/ November 24, 2015 dead mdy-alles El Diario de Hoy October 18, 2015 October 22, 2015 Cuatro muertos, daños y suspensión de clases a causa de las lluvias http://www.elsalvador.com/articulo/comunidades/cuatro-muertos-danos-suspension-clases-causa-las-lluvias-90557 https://web.archive.org/web/20151022005233/http://www.elsalvador.com/articulo/comunidades/cuatro-muertos-danos-suspension-clases-causa-las-lluvias-90557 October 22, 2015 dead mdy-alles Agence France-Presse La Tribuna October 18, 2015 October 22, 2015 Un muerto y damnificados por inundaciones en Guatemala http://www.latribuna.hn/2015/10/18/un-muerto-y-damnificados-por-inundaciones-en-guatemala/ Guatemala City, Guatemala https://web.archive.org/web/20151020142015/http://www.latribuna.hn/2015/10/18/un-muerto-y-damnificados-por-inundaciones-en-guatemala/ October 20, 2015 deades Agence France-Presse El Heraldo October 21, 2015 October 22, 2015 Merman lluvias en la región, pero autoridades mantendrán las alertas http://www.elheraldo.hn/mundo/892664-217/merman-lluvias-en-la-regi%C3%B3n-pero-autoridades-mantendr%C3%A1n-las-alertas San Salvador, El Salvador Damage in Chetumal, Mexico reached 1.4 billion pesos (US$85.3 million).es Unión Cancún October 23, 2015 October 28, 2015 Daños por lluvias en Chetumal ascienden a 1,400 mdp: alcalde http://www.unioncancun.mx/articulo/2015/10/23/medio-ambiente/danos-por-lluvias-en-chetumal-ascienden-1400-mdp-alcalde Chetumal, Mexico October 25, 2015 https://web.archive.org/web/20151025132944/http://www.unioncancun.mx/articulo/2015/10/23/medio-ambiente/danos-por-lluvias-en-chetumal-ascienden-1400-mdp-alcalde dead As a tropical cyclone, Patricia caused severe impacts when it made landfall in Jalisco, Mexico, killing six and causing at least 5.4 billion pesos (US$325 million) in damage. An additional fatality occurred during evacuations in Jalisco.es El Siglo de Durango October 24, 2015 October 24, 2015 Reportan muerte de mujer coahuilense por 'Patricia' http://www.elsiglodedurango.com.mx/noticia/623024.reportan-muerte-de-mujer-coahuilense-por-patricia.html In Emiliano Zapata and Chamela, the villages most badly affected by Patricia, violent winds tore off roofs, toppled concrete power poles and transmission lines, and defoliated trees. Hillsides were left barren and most small structures were severely damaged or completely destroyed. Mexico's agricultural sector also suffered, with 42,000 ha (100,000 ac) of crops affected by Patricia, of which 15,000 ha acre off were deemed a total loss.Antonio Hernández El Universal October 28, 2015 October 28, 2015 Suman 40 mil hectáreas afectadas por "Patricia" http://www.eluniversal.com.mx/articulo/cartera/economia/2015/10/28/suman-40-mil-hectareas-afectadas-por-patricia Mexico City, Mexico The papaya, banana, and plantain crops took the most damage. The low death toll despite Patricia's landfall intensity was credited to the hurricane's small size, the low population density of the landfall area, as well as effective evacuations.Bob Henson Weather Underground October 26, 2015 October 26, 2015 The Cataclysm That Wasn't: Hurricane Patricia Largely Spares Mexico, Texas https://www.wunderground.com/blog/JeffMasters/the-cataclysm-that-wasnt-hurricane-patricia-largely-spares-mexico.html The remnants of Patricia's upper-level circulation later produced rains in South Texas,Jeff Masters Bob Henson Weather Underground October 24, 2015 October 25, 2015 Patricia's Remnants to Fuel Dangerous Rains in Texas https://www.wunderground.com/blog/JeffMasters/patricias-remnants-to-fuel-dangerous-rains-in-texas.html causing flash floods that left $52.5 million in damage.National Weather Service Office in Brownsville, Texas National Climatic Data Center 2016 February 26, 2016 Texas Event Report: Heavy Rain https://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=605973National Weather Service Office in Brownsville, Texas National Climatic Data Center 2016 February 26, 2016 Texas Event Report: Heavy Rain https://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=605980
Tropical Storm Rick
EPac
Rick 2015-11-19 2015Z.jpg
Rick 2015 path.png
November 18
November 22
35
1002
A tropical wave moved off the western coast of Africa on November 3, entering the East Pacific roughly two weeks later. The disturbance encountered a persistent area of convection in the Intertropical Convergence Zone, eventually coalescing into a tropical depression by 12:00 UTC on November 18 while located 715 mi km on south-southeast of the southern tip of Baja California. Plagued by moderate southeasterly wind shear, the depression slowly intensified into Tropical Storm Rick and simultaneously attained peak intensity with winds of 40 mph km/h on 5 and a pressure of 1002 mbar hPa inHg on off by 12:00 UTC on November 19. The cyclone failed to intensify further as it tracked west-northwest within a dry environment, weakening to a tropical depression by 06:00 UTC on November 22 and further degenerating into a remnant low 12 hours later. The low tracked northwest and eventually southwest prior to dissipating early on November 26.John L. Beven II Tropical Storm Rick Tropical Cyclone Report EP212015_Rick National Hurricane Center January 20, 2016 January 22, 2016 Miami, Florida PDF
Hurricane Sandra
EPac
Sandra 2015-11-25 Suomi NPP.jpg
Sandra 2015 path.png
November 23
November 28
130
934
Hurricane Sandra (2015)
A tropical wave that emerged off the west coast of Africa on November 6 entered the Eastern Pacific on November 21. The system organized and was classified as a tropical depression on November 23 well south of Mexico. Environmental conditions, including high sea surface temperatures and low wind shear, were highly conducive to intensification and the storm quickly organized, becoming Tropical Storm Sandra early on November 25. A small central dense overcast developed atop the storm and Sandra reached hurricane status early on November 25 after the consolidation of an eye. The hurricane achieved its peak as a Category 4 hurricane with winds of 150 mph km/h on 5 and a pressure of 934 mbar (hPa; 934 mbar inHg on 4 out) early on November 26. This made Sandra the strongest November hurricane on record in the Northeastern Pacific, surpassing Hurricane Kenneth in 2011. Thereafter, increasing shear degraded the hurricane's structure and weakening ensued. Rapid weakening took place on November 27 and Sandra's circulation became devoid of convection as it diminished to a tropical storm that evening. The cyclone degenerated into a remnant low soon thereafter and ultimately dissipated just off the coast of Sinaloa, Mexico, on November 29.
As the precursor to Sandra traversed Central America, it produced unseasonably heavy rainfall that triggered flooding and landslides. Four people died in various incidents related to the system: three in El Salvador and one in Honduras.es Rezaye Álvarez M. Sergio León La Prensa November 21, 2015 May 12, 2016 Lluvia atípica causa estragos http://www.laprensa.com.ni/2015/11/21/nacionales/1940558-lluvia-atipica-causa-estragos
es El Nuevo Diario November 22, 2015 May 12, 2016 Niña de 25 días muere al derrumbarse su casa por lluvias en Honduras http://www.elnuevodiario.com.ni/internacionales/centroamerica/377605-nina-25-dias-muere-derrumbarse-su-casa-lluvias-hon/ Tegucigalpa, Honduras June 4, 2016 https://web.archive.org/web/20160604005356/http://www.elnuevodiario.com.ni/internacionales/centroamerica/377605-nina-25-dias-muere-derrumbarse-su-casa-lluvias-hon/ dead
es Héctor Rivas La Prensa Grafica November 23, 2015 May 12, 2016 Tres hombres mueren por las crecidas en dos ríos http://www.laprensagrafica.com/2015/11/23/tres-hombres-mueren-por-las-crecidas-en-dos-rios Initially expecting a landfalling storm, officials in Northwestern Mexico prepared equipment for power outages, closed schools, and evacuated 180 residents.es Notimex El Economista November 27, 2015 May 12, 2016 Suspenden clases en BCS por huracán Sandra http://eleconomista.com.mx/sociedad/2015/11/27/suspenden-clases-bcs-huracan-sandra June 11, 2016 https://web.archive.org/web/20160611041758/http://eleconomista.com.mx/sociedad/2015/11/27/suspenden-clases-bcs-huracan-sandra dead
es SDP Noticias November 27, 2015 May 12, 2016 Arriban a BCS 96 camiones de CFE ante llegada de huracán "Sandra" http://www.sdpnoticias.com/local/baja-california-sur/2015/11/27/arriban-a-bcs-96-camiones-de-cfe-ante-llegada-de-huracan-sandra La Paz, Mexico
es Javier Valdez Cárdenas Irene Sánchez Myriam Navarro La Jordana November 28, 2015 May 12, 2016 Declaran alerta en Sinaloa y Nayarit por 'Sandra' http://www.jornada.unam.mx/ultimas/2015/11/28/declaran-alerta-amarilla-en-sinaloa-por-sandra-9389.html Culiacán, Mexico https://web.archive.org/web/20160817154128/http://www.jornada.unam.mx/ultimas/2015/11/28/declaran-alerta-amarilla-en-sinaloa-por-sandra-9389.html 2016-08-17 dead Sandra's effects largely consisted of light to moderate rainfall; some traffic accidents and landslides resulted from this, though the overall impacts were limited.es BCS Noticias November 28, 2015 May 12, 2016 Pavimento mojado por lluvias en Cabo San Lucas provocó 2 accidentes viales http://www.bcsnoticias.mx/cabo-san-lucas-se-registraron-dos-accidentes-viales-una-fuga-gas-las-ultimas-horas/
Tropical Depression Nine-C
EPac
09C 2015-12-31 Suomi NPP.png
09C 2015 path.png
December 31
December 31
30
1001
List of off-season Pacific hurricanes List of tropical cyclones near the Equator
Despite the official end of the hurricane season about a month prior, a westerly wind burst in the equatorial waters of the Central Pacific led to the development of a tropical disturbance on December 27. This feature also led to the formation of Cyclone Ula in the South Pacific.Derek Wroe Sam Houston Central Pacific Hurricane Center December 13, 2018 July 4, 2019 Hurricane Pali Tropical Cyclone Report CP012016_Pali PDF Honolulu, Hawaii Moving slowly eastward, the disturbance stayed in an environment with anomalously high sea surface temperatures and ample ocean heat content associated with the ongoing El Niño event, allowing thunderstorms in the system to develop and persist. Turning northwards, the system formed a closed low-level circulation and continued to slowly organize. At 00:00 UTC on December 31, Tropical Depression Nine-C formed at a very low latitude of 2.2°N. Moving slowly westwards, Nine-C never reached tropical storm strength due to its proximity to the equator and the presence of 20-knot vertical wind shear over the system, leaving the 2015 season one storm shy of the record from 1992. As convection in and around the depression was rapidly sheared to the west, the depression was unable to support itself and was downgraded into a remnant low at 00:00 UTC on January 1, 2016, marking the latest end to a Pacific hurricane season on record. The remnant low dissipated later that day.CP092015_Nine-C Tropical Depression Nine-C Tropical Cyclone Report Sam Houston Tom Birchard Central Pacific Hurricane Center Honolulu, Hawaii December 22, 2016 May 3, 2021 https://web.archive.org/web/20180320161001/http://www.prh.noaa.gov:80/cphc/summaries/2015/Final-CP092015_TDNineC_Final.docx March 20, 2018 liveErdman John Tropical Depression Nine-C Dissipates; Caps Off a Record Central Pacific Hurricane Season http://www.weather.com/storms/hurricane/news/central-pacific-tropical-depression-nine-c-storm-pali The Weather Channel January 2016 6 January 2016
Storm names
The following list of names was used for named storms that formed in the North Pacific Ocean east of 140°W during 2015.https://web.archive.org/web/20130430134031/http://www.nhc.noaa.gov/aboutnames.shtml http://www.nhc.noaa.gov/aboutnames.shtml Tropical Cyclone Names National Oceanic and Atmospheric Administration National Hurricane Center April 11, 2013 April 30, 2013 May 8, 2013 dead This was the same list used for the 2009 season.National Hurricane Center Worldwide Tropical Cyclone Names 2008 National Oceanic and Atmospheric Administration March 7, 2024 http://www.nhc.noaa.gov/aboutnames.shtml https://web.archive.org/web/20080804225453/http://www.nhc.noaa.gov/aboutnames.shtml August 4, 2008 dead
Andres
Blanca
Carlos
Dolores
Enrique
Felicia
Guillermo*
Hilda*Ignacio*
Jimena
Kevin
Linda*
Marty
Nora*
Olaf*
PatriciaRick
Sandra
Terry
Vivian
Waldo
Xina
York
Zelda
For storms that form in the North Pacific from 140°W to the International Date Line, the names come from a series of four rotating lists. Names are used one after the other without regard to year, and when the bottom of one list is reached, the next named storm receives the name at the top of the next list. Eight named storms, listed below, formed within the area in 2015. Also, named storms in the table above that crossed into the area during the season are noted (*).The typically quiet Central Pacific hurricane season shattered records this year Klotzbach Phil December 3, 2015 https://www.washingtonpost.com/news/capital-weather-gang/wp/2015/12/03/the-relatively-quiet-central-pacific-hurricane-season-shattered-records-this-year/ The Washington Post January 27, 2024
Ela
Halola Iune
Kilo Loke
Malia Niala
Oho
Retirement
List of retired Pacific hurricane names
On April 25, 2016, at the 38th session of the RA IV Hurricane Committee, the World Meteorological Organization retired the name Patricia due to its extreme intensity, and it will not be used again for another Pacific hurricane. It was replaced with Pamela for the 2021 Pacific hurricane season.National Oceanic and Atmospheric Administration April 25, 2016 April 27, 2016 World Meteorological Organization retires storm names Erika, Joaquin and Patricia http://www.noaa.gov/world-meteorological-organization-retires-storm-names-erika-joaquin-and-patricia
Season effects
This is a table of all of the tropical cyclones that formed in the 2015 Pacific hurricane season. It includes their name, duration (within the basin), peak classification and intensities, areas affected, damage, and death totals. Deaths in parentheses are additional and indirect (an example of an indirect death would be a traffic accident), but were still related to that storm. Damage and deaths include totals while the storm was extratropical, a wave, or a low, and all of the damage figures are in 2015 USD.
center
2015 Pacific hurricane
cat4 Andres May 28 – June 4 145 (230) 937 Southwestern United States None None
cat4 Blanca May 31 – June 9 145 (230) 936 Western Mexico, Baja California Peninsula, Southwestern United States $134,000 4
cat1 Carlos June 10–17 90 (150) 978 Southwestern Mexico, Western Mexico $1.04 million None
storm Ela July 8–10 45 (75) 1002 None None None
storm Halola July 10–12 60 (95) 998 None (before crossover) None None
storm Iune July 10–13 40 (65) 1004 None None None
cat4 Dolores July 11–19 130 (215) 946 Southwestern Mexico, Western Mexico, Baja California Peninsula, Southwestern United States $50.477 million 1
storm Enrique July 12–18 50 (85) 1000 None None None
storm Felicia July 23–25 40 (65) 1004 None None None
depression Eight-E July 27–29 35 (55) 1006 None None None
cat2 Guillermo July 29 – August 7 110 (175) 967 Hawaii, Northern California None None
cat4 Hilda August 6–14 145 (230) 937 Hawaii None None
depression Eleven-E August 16–17 35 (55) 1003 None None None
cat1 Loke August 21–26 75 (120) 985 Hawaii None None
cat4 Kilo August 22 – September 1 140 (220) 940 Hawaii, Johnston Atoll (before crossover) None None
cat4 Ignacio August 25 – September 5 145 (230) 942 Hawaii, Western Canada None None
cat4 Jimena August 26 – September 9 155 (250) 932 None None None
storm Kevin August 31 – September 5 60 (95) 998 Baja California Peninsula, Southwestern United States None None
cat3 Linda September 5–10 125 (205) 950 Sinaloa, Oaxaca, Zacatecas, Southwestern United States $3.59 million 22
storm Malia September 18–22 50 (85) 992 Hawaii None None
depression Sixteen-E September 20–21 35 (55) 1001 Baja California Peninsula, Northwestern Mexico, Southwestern United States $17.8 million 1
storm Niala September 25–28 65 (100) 992 Hawaii None None
cat1 Marty September 26–30 80 (130) 987 Southwestern Mexico, Western Mexico $30 million None
cat2 Oho October 3–8 110 (175) 957 Western Canada, Alaska None None
depression Eight-C October 3–4 35 (55) 1001 None None None
storm Nora October 9–15 70 (110) 993 None None None
cat4 Olaf October 15–27 150 (240) 938 None None None
cat5 Patricia October 20–24 215 (345) 872 Central America, Mexico, Texas $462.8 million 8 (5)
storm Rick November 18–22 40 (65) 1002 None None None
cat4 Sandra November 23–28 150 (240) 934 Central America, Baja California Peninsula, Northwestern Mexico Minimal 4
depression Nine-C December 31 35 (55) 1001 None None None
31 May 28 – December 31 215 (345) 872 $588 million 40 (5)
See also
Tropical cyclones
Tropical cyclones in 2015
List of Pacific hurricanes
Pacific hurricane season
2015 Atlantic hurricane season
2015 Pacific typhoon season
2015 North Indian Ocean cyclone season
South-West Indian Ocean cyclone seasons: 2014–15, 2015–16
Australian region cyclone seasons: 2014–15, 2015–16
South Pacific cyclone seasons: 2014–15, 2015–16
South Atlantic tropical cyclone
2014–16 El Niño event
Notes
nb
References
2
External links
National Hurricane Center Website
National Hurricane Center's Eastern Pacific Tropical Weather Outlook
Central Pacific Hurricane Center Website
Servicio Meteorológico Nacional Website es
NHC 2015 Pacific hurricane season archive
2010 Pacific hurricane
2015
Category:Pacific hurricane seasons
2015 Epac