supercell

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supercell

[′sü·pər‚sel]
(meteorology)
A thunderstorm with a persistent rotating updraft. While rare, it produces the most severe weather such as tornadoes, strong winds, and hail.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Rotunno, "A study of the tornadic region within a supercell thunderstorm.," Journal of the Atmospheric Sciences, vol.
possible to predict which supercell thunderstorms will produce tornadoes
WORCESTER - About 75 weather enthusiasts got the lowdown on squall lines, shelf clouds, wall clouds and supercell thunderstorms last week at a National Weather Service Skywarn spotter training class at the National Guard Armory on Skyline Drive.
Between May 2 and May 11, 2003, multiple supercell thunderstorms developed and spawned numerous tornadoes, hailstorms and straight-line windstorms.
In supercell thunderstorms, tornado formation is sensitive to the negative buoyancy and equivalent potential temperature of the rain-cooled, vorticity-rich air that emanates from downdrafts (e.g., Markowski and Richardson 2009, 2014; Davies-Jones 2015), with tornadogenesis likelihood generally increasing as buoyancy and equivalent potential temperature increase within the rain-cooled, vorticity-rich air--af least near the surface (e.g., Markowski et al.
Xue, "Effects of microphysical drop size distribution on tornadogenesis in supercell thunderstorms," Geophysical Research Letters, vol.
These are typically associated with supercell thunderstorms. Supercell thunderstorms are often isolated from other thunderstorms and are characterized by the presence of a mesocyclone or a thunderstorm that has a deep, continuous rotation.
Supercell thunderstorms very often fail to produce tornadoes in seemingly favorable environments.
Supercell thunderstorms, on the other hand, often produce dangerous clear-air turbulence downwind that's essentially invisible.