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1997 North Indian Ocean cyclone season
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NIO 1997 1997 North Indian Ocean cyclone season summary.jpg May 14, 1997 November 13, 1997 BOB 01 964 90 3 10 9 4 2 1 1 413 total 1995, 1996, 1997, 1998, 1999 1997 Atlantic hurricane season 1997 Pacific hurricane season 1997 Pacific typhoon season
The 1997 North Indian Ocean cyclone season was a near-average season. It had no bounds, but cyclones tend to form between April and December, with peaks in May and November. These dates conventionally delimit the period of each year when most tropical cyclones form in the northern Indian Ocean.
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Season summary
Five tropical cyclones were observed, making 1997 an average season. However, 3 reached Cyclone strength.
Systems
Extremely Severe Cyclonic Storm BOB 01 (01B)
NIO 01B 1997-05-19 0300Z.png Cyclone 01A 1997 track.png May 14 May 20 90 115 964
May 1997 Bangladesh cyclone
On May 13, a near-equatorial trough developed. The poorly organized system slowly tracked towards the north-northwest. The following day, deep convection consolidated around the center of circulation and the Joint Typhoon Warning Center (JTWC) classified the system as Tropical Cyclone 01B. Favorable upper-level conditions and good outflow allowed the storm to intensify. Shortly after, the cyclone attained tropical storm-force winds and turned towards the northeast. While gradually increasing in forward motion, the storm continued to strengthen. On May 17, the cyclone attained winds of 120 km/h (75 km/h), equivalent to a Category 1 hurricane on the Saffir–Simpson scale. By May 18 an eye developed and the storm reached its peak intensity with winds of 215 km/h mph on 5 before making landfall near Chittagong. After landfall, the storm rapidly tracked northeastward inland and dissipated early on May 20.Joint Typhoon Warning Center World Meteorological Organization 1998 April 15, 2009 Tropical Cyclone 01B Preliminary Report http://www.usno.navy.mil/NOOC/nmfc-ph/RSS/jtwc/atcr/1997atcr/pdf/nio/01b.pdf dead https://web.archive.org/web/20110607045123/http://www.usno.navy.mil/NOOC/nmfc-ph/RSS/jtwc/atcr/1997atcr/pdf/nio/01b.pdf June 7, 2011 It caused significant damage and 67 fatalities.http://cidi.org/disaster/97a/0050.html Bangladesh: Cyclone [ACT: 21-May-97] 2009-03-06 https://web.archive.org/web/20050317044324/http://www.cidi.org/disaster/97a/0050.html 2005-03-17 dead
Deep Depression BOB 02
NIO BOB 02 1997-06-26 0900Z.png BOB 02 1997 track.jpg June 26 June 30 30 985
May 2020
Deep Depression BOB 03
NIO BOB 03 1997-07-30 0500Z.png BOB 3 1997 track.jpg July 29 August 2 30 1002
May 2020
Deep Depression BOB 04
NIO BOB 04 1997-08-05 0500Z.png BOB 4 1997 track.jpg August 4 August 7 30 988
May 2020
Deep Depression BOB 05
NIO BOB 05 1997-08-20 0900Z.png BOB 5 1997 track.jpg August 20 August 27 30 990
May 2020
Depression BOB 06
NIO BOB 06 1997-08-28 1200Z.png BOB 6.jpg August 28 August 30 25 994
May 2020
Severe Cyclonic Storm BOB 07 (02B)
NIO 02B Sep 26 1997 2008Z.png Cyclone 02B 1997 track.png September 19 September 27 55 65 994
On September 19, a tropical depression formed from an area of disturbed weather in the western Bay of Bengal. It drifted northwestward towards the Indian coastline, but a mid-latitude trough pulled it northeastward, The depression strengthened to a tropical storm on the 24th, and it reached cyclone strength while paralleling the Indian coastline on 26th. It made landfall in Bangladesh on the 27th, and dissipated shortly thereafter. Tropical Cyclone 2B was responsible for 51 fatalities and left an additional 137 people missing.http://cidi.org/disaster/97b/0051.html Bangladesh: Cyclone [DHA-02: 01-Oct-97] 2009-04-14 https://web.archive.org/web/20050317021046/http://www.cidi.org/disaster/97b/0051.html 2005-03-17 dead
Deep Depression ARB 01 (04A)
NIO 04A Nov 11 1997 2150Z.png Cyclone 04A 1997 track.png November 2 November 14 30 35 1005
On November 2, a tropical depression developed over Sri Lanka. It drifted southward, northward, then westward over India. On the 10th, it was upgraded to a tropical storm over the Arabian Sea, and it reached its peak of 65 mi/h km/h 0 on winds the next day. Wind shear caused the storm to dissipate over the open waters on the 14th.
Cyclonic Storm BOB 08 (Linda)
NIO Linda 1997-11-06 1200Z.png Linda WPac 1997 track.png November 3 (entered basin) November 9 35 65 1004
Tropical Storm Linda (1997)
Typhoon Linda killed 30 while crossing the Malay Peninsula, emerged into the Bay of Bengal on November 4. It continued westward, reaching cyclone strength again, but vertical shear caused it to dissipate on the 9th.
In southern Thailand, 30 people were killed and 102 others were listed as missing as a result of the storm. Linda damaged at least 100 homes and sank 30 ships in the region.Ian Stewart The Seattle Times November 4, 1997 April 15, 2009 5,000 Missing In Storm -- Typhoon Hit Vietnam Coastal Province Like A 'Howling Animal' https://archive.seattletimes.com/archive/19971104/2570324/5000-missing-in-storm----typhoon-hit-vietnam-coastal-province-like-a-howling-animal An estimated 6,400,000 m2 of farmland were destroyed by Linda.Suphat Vongvisessomjai Songklanakarin J. Sci. Technol. June 15, 2007 April 15, 2009 Impacts of Typhoon Vae and Linda on wind waves in the Upper Gulf of Thailand and East Coast http://rdo.psu.ac.th/sjst/journal/29-5_online/0125-3395-29-5-1199-1216.pdfFebruary 2019 InternetArchiveBot yes
Tropical Cyclone 03A
NIO 03A Nov 8 1997 0300Z.png Cyclone 03A 1997 track.png November 4 November 10 35
A broad trough of low pressure formed into a tropical depression on November 4 in the central Arabian Sea. It moved westward, slowly intensifying into a tropical storm on the 8th. Vertical shear weakened it to a depression later that day, but on the 9th, just before making landfall on eastern Somalia, it restrengthened to a tropical storm. Tropical Storm Three dissipated on the 10th without causing any reported damage.
See also
Tropical cyclones
1997 Atlantic hurricane season
1997 Pacific hurricane season
1997 Pacific typhoon season
South-West Indian Ocean cyclone seasons: 1996–97, 1997–98
Australian region cyclone seasons: 1996–97, 1997–98
South Pacific cyclone seasons: 1996–97, 1997–98
References
External links
Primer for Parliamentarians
Gary Padgett Summaries
Unisys Track
JTWC Archive
1990 North Indian Ocean cyclone
1997