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- Dictionarywhirlwind/ˈwəːlwɪnd/
noun
- 1. a column of air moving rapidly round and round in a cylindrical or funnel shape. Similar
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noun
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A whirlwind is a phenomenon in which a vortex of wind (a vertically oriented rotating column of air) forms due to instabilities and turbulence created by heating and flow (current) gradients. Whirlwinds can vary in size and last from a couple minutes to a couple hours. Wikipedia