Ricky Forbes on MSN
Intense supercell storm producing large hail and outflow
An intense supercell storm unleashes large hail, powerful outflow winds, and nonstop energy, showcasing just how fast severe ...
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Why some storms turn into tornadoes
Not all thunderstorms can produce tornadoes - only about 30% of supercell thunderstorms actually spawn these rotating columns of air. Supercells are severe thunderstorms with intense, rotating ...
In about 15 minutes, Tempe recorded nearly three-quarters of an inch of rain. A supercell thunderstorm forms when wind speed and direction change with height, a phenomenon called wind shear.
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