The cloud from which they develop can be as innocuous as a moderate cumulus, or as great as a supercell. Local 10 meteorologist Luke Dorris called it “one of the most impressive tornadoes I’ve seen here.”, Waterspout/tornado as seen from Aventura this afternoon. They are associated with severe thunderstorms, and are often accompanied by high winds and seas, large hail, and frequent dangerous lightning. I’m a big fan of tornadoes.”. A waterspout is an intense columnar vortex (usually appearing as a funnel-shaped cloud) that occurs over a body of water. [22] Waterspouts are fairly common on the Great Lakes during late summer and early fall, with a record 66+ waterspouts reported over just a seven-day period in 2003. Fair-weather waterspouts occur in coastal waters and are associated with dark, flat-bottomed, developing convective cumulus towers. [27], There are five stages to the waterspout life cycle. Even the experts were blown away — proverbially. Waterspouts fall into two categories: fair weather waterspouts and tornadic waterspouts. In general sense a waterspout is simply a tornado over water. Fair weather waterspouts usually form along the dark flat base of a line of developing cumulus clouds. By the time the funnel is visible, a fair weather waterspout is near maturity. There and gone in about three minutes, the tornado reached peak winds of 80-85 mph, according to the weather service. Video from Don Kanal shows the large, mature waterspout coming on shore as a brief tornado near Golden Beach around 1:20 p.m. “So what’s it doing out there picking up water?” asked a woman in one of those shared videos. @WBTWNews13 @wmbfnews @wpdeabc15 @WFXBWeatherSTEM #MyrtleBeach pic.twitter.com/hjpFHHhZor. He tried to take cover in a garage, but the pressure from the wind kept the doors from closing. There are a couple of critical criteria for the formation of a winter waterspout. It struck the Grand Harbour of Valletta, sinking four galleys, numerous boats, and claiming hundreds of lives. Depending on how far they travel and how high they are taken into the atmosphere, the fish are sometimes dead by the time they rain down. It quickly went back offshore and then dissipated, but not before its winds tore down trees, tossed around some outdoor furniture and damaged the metal gates of several ocean-facing homes. [2] In the common form, it is a non-supercell tornado over water. Below are some more photos snapped by our viewers: Copyright 2020 by WPLG Local10.com - All rights reserved. The SWI ranges from −10 to +10, where values greater than or equal to zero represent conditions favorable for waterspout development.[32][33]. The National Weather Service says the waterspout was first spotted around 1:14 p.m. off Sunny Isles Beach and came onshore around 1:20 p.m. in northern Golden Beach, becoming a tornado. [39], For a pipe carrying water from a roof, see, International Centre for Waterspout Research, "Waterspout Velocity Measurements by Airborne Doppler Lidar", 10.1175/1520-0450(1981)020<0341:WVMBAD>2.0.CO;2, "Several waterspouts filmed on Lake Michigan in US", "Using the WSR-88D to Predict East Central Florida Waterspouts", National Oceanic and Atmospheric Administration, "Graphical Hazardous Weather Outlook: Waterspout Threat", "The 12 July 1995 Pinellas County, Florida, Tornado/Waterspout", 10.1175/1520-0434(2000)015<0122:TJPCFT>2.0.CO;2, Rare: Waterspout tornado came ashore in Palermo, Sicily, Italy - August 6, 2020, "15 January 2009: Lake Champlain Sea Smoke, Steam Devils, and Waterspout: Chapters IV and V", "Rare waterspout forms in Montreal during storm", "Water spout touches down off Sydney beaches", "It's Raining Fish: Unusual objects sometimes fall from the sky, courtesy of waterspouts", "The International Centre For Waterspout Research", https://www.usatoday.com/weather/wspouts.htm, Pictures of cold-core waterspouts over Lake Michigan on 30 September 2006, Large waterspout off southern Tongatapu, February 2014, http://aoss-research.engin.umich.edu/PlanetaryEnvironmentResearchLaboratory/, List of atmospheric pressure records in Europe, https://en.wikipedia.org/w/index.php?title=Waterspout&oldid=983649151, Wikipedia pending changes protected pages, Creative Commons Attribution-ShareAlike License, This page was last edited on 15 October 2020, at 12:49.

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