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A severe, usually isolated thunderstorm characterized by a strong rotating updraft and often giving rise to damaging winds, electrical storms, flooding, large hail, and tornadoes.
References in periodicals archive ?
Common in America, supercell thunderstorms are much more severe.
Supercell thunderstorms very often fail to produce tornadoes in seemingly favorable environments.
Minister Joyce said the Coalition Government recognises the devastating impact of the severe supercell thunderstorms that produced damaging winds, golf ball sized hail and heavy rain, impacting the area in and around Mildura, across Sunraysia and the Riverland in South Australia on Friday 11 November.
Elston received his PhD from the University of Colorado Boulder in 2011, developing a system and algorithms for UAS sampling of tornadic supercell thunderstorms.
Giammanco's paper, "Observations of Hailstone Characteristics in Multi-cell and Supercell Thunderstorms," details the data collected during hail field research studies IBHS conducted in 2012 and 2013, which show that the hardness property of hailstones can be quantified through in-situ measurements.
Tornadoes that form from supercell thunderstorms are the most
TWISTEX has been collecting observations in and near tornadoes associated with supercell thunderstorms for six years.
Two ingredients are necessary to form the supercell thunderstorms that spawn tornadoes: A source of buoyant energy, namely warm and moist air near the ground, and a rotational force generated by winds at the surface blowing at a different speed or direction than winds high in the atmosphere.
A highly unstable air mass that developed on April 13 led to a large number of hailstorms in a relatively small region, and several supercell thunderstorms formed and produced large hailswaths across portions of Illinois, Indiana, Iowa, and Wisconsin during a 30-hour period.
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.