|1.||a sudden strong wind or brief turbulent storm|
|2.||any sudden commotion or show of temper|
|3.||(intr) to blow in a squall|
|[C18: perhaps a special use of |
A brief, sudden, violent windstorm, often accompanied by rain or snow. A squall is said to occur if a wind having a sustained speed of 40 km (25 mi) per hour lasts at least 1 minute and then decreases rapidly. See also squall line.
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.
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