line squall

American  

noun

1. a squall advancing along a front that forms a more or less definite line.

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line squall British  

noun

1. a squall or series of squalls along a cold front

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Etymology

Origin of line squall

First recorded in 1885–90

Example Sentences

The straight line that marked where the blue of the sky ended and the copperish gray began told Dawson that a line squall was moving across the Caribbean.

From Project Gutenberg