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squall
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What causes powerful wind squalls?
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squall

meteorology
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Related Topics:
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line squall
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What causes powerful wind squalls?
What causes powerful wind squalls?Learn about squalls.
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squall, as used by weather forecasters, a sudden wind-speed increase of 8 metres per second (18 miles per hour) or more, for one minute or longer. It includes several briefer wind-speed changes, or gusts. A squall is often named for the weather phenomenon that accompanies it, such as rain, hail, or thunder; a line squall is one associated with a squall line of thunderstorms that is often hundreds of kilometres long.

This article was most recently revised and updated by Amy Tikkanen.