Science Fair Project Encyclopedia
Severe thunderstorm
A severe thunderstorm is a thunderstorm with winds 56 mph (90 km/h) or greater, 3/4 inch (2 cm) or larger hail, or tornadoes. These storms also can contain deadly cloud-to-ground lightning, heavy downpours which can lead to localized flooding, gusty winds, and possible tornadoes.
Severe thunderstorms may occur as a Supercell_thunderstorm or in a line with other non-severe storms.
See also: Severe thunderstorm watch, Severe thunderstorm warning, Tornado watch, Tornado warning.
03-10-2013 05:06:04
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details