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1997 Miami tornado
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F1 tornado which touched down in Miami, Florida
December 2022
1997 Miami tornado supercell radar animation.gif Looping animation of radar data depicting the tornado-spawning thunderstorm tracking across Miami Radar imagery of the storm that spawned the tornado 15 minutes 1:53 p.m. EDT (UTC−04:00)May 12, 1997 2:08 p.m. EDT (UTC−04:00)May 12, 1997 atl F1 95 8 mi km unitStorm Events Database – F1 tornado in Miami, Florida https://www.ncei.noaa.gov/access/storm-events-database/event-details/5598435 United States National Oceanic and Atmospheric Administration May 20, 2026 150 yd m unit 1997 0 12 $525,000 (1997 USD) Miami, Florida, U.S. 21,000 people tornadoes of 1997On May 12, 1997, a rare and weak F1 tornado touched down in Miami, Florida. The tornado, also known as the 1997 Miami tornado, or the Great Miami tornado,'Great Miami Tornado' Touched Down 25 Years Ago Today https://www.nbcmiami.com/news/local/great-miami-tornado-touched-down-25-years-ago-today/2759365/ December 25, 2022 NBC 6 South Florida NBCUniversal Media May 12, 2022 Miami, Florida was on the ground for 8 miles, causing $525,000 (1997 USD) in 15 minutes. It is remembered for media coverage of it pictured near the city's downtown skyline.Vortex – Downtown Miami F1 Tornado Report https://www.weather.gov/mfl/vortex United States NOAA, Department of Commerce May 3, 2026
Meteorological Synopsis
Synoptics
An upper air observation at 12:00 UTC highlighted CAPE values at up to 1418 J/kg, and PWAT at 1.75 inches (44.45 mm). A Weather front was forecast to move into central Florida, and a low pressure system was forecast to go northeast into Florida’s Big Bend region. A 90 knot jet stream went across southern Florida. At the 250 mb level, winds were found to be 81 knots. By 12:00 UTC, winds had shifted south. Wind shear had weakened to a 20 - 15 knot breeze between 2,000 and 10,000 feet above the surface. As the day moved on, speed shear increased. Helicity values were found to be 131 m2/s2.
Tornado watch and warning
A tornado watch was issued by the Storm Prediction Center at 11:29 A.M. EDT, it was effective until 5:00 P.M. EDT. “Storms will continue to increase across South Florida in a very moist and unstable atmosphere. The potential for supercell tornadoes will increase during the early afternoon as the shear profile strengthens.”At 1:55 P.M. EDT, a tornado warning was issued by NWS Miami. A funnel cloud was reported, and WSR-88D indicated rotation made the NWS issue the warning.
Tornado summary
The tornado formed at 1:53 p.m. EDT, initially touching down in the Silver Bluff Estates area.Adrian Miami Tornado http://www.adriansweather.com/miamitornado.htm Adrian's Weather 2013-05-20 https://archive.today/20130628092556/http://www.adriansweather.com/miamitornado.htm 2013-06-28 dead The tornado crossed Interstate 95, then swept through Downtown Miami bypassing the city's skyscrapers. It crossed the MacArthur Causeway and the Venetian Causeway towards Miami Beach, sideswiping the cruise ship MS Sovereign of the Seas. The tornado lifted from the water halfway through Biscayne Bay and touched down briefly again in Collins Road, Miami Beach. It then flipped over a car and dissipated soon after.
Aftermath
June 2026 June 2026
The tornado ultimately caused 12 injuries and $525,000 in damage, though no injuries were serious.Franco Debra White Donna Gehrke Lantigua John Markowitz Arnold Grander Ishia Sneed Twister! Hit-and-run tornado rakes Miami, Beach https://www.newspapers.com/clip/77054458/twister-hit-and-run-tornado-rakes-miami/ Newspapers.com December 25, 2022 The Miami Herald 164 May 13, 1997 Miami, Florida 1A, 8A The tornado's passage also cut power to 21,000 people. The tornado also uprooted trees, scattered debris, and shattered the glass facades of buildings.Archives L. A. Times 1997-05-13 Buildings Left Damaged by Miami Twister https://www.latimes.com/archives/la-xpm-1997-05-13-mn-58305-story.html 2026-10-14 Los Angeles Times en-US
See also
List of North American tornadoes and tornado outbreaks
Tornadoes of 1997
References
1997-05-12
05-12
1997-05-12
Category:1997 in Florida
Category:May 1997 in the United States