Squall Line

Definition

A narrow band of active thunderstorms forming along or ahead of a cold front. Squall lines produce severe turbulence, heavy rain, strong winds, and possible tornadoes over a wide area.

Related Terms

Cold Front

The leading edge of an advancing cold air mass displacing warmer air. Cold front...

Thunderstorm

A convective weather phenomenon producing lightning, heavy rain, turbulence, hai...

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