← Glossary|Português
Meteorology

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

Test your knowledge

Think you understand Squall Line? Challenge yourself with practice questions covering meteorology and all other ATPL subjects.

Start a Practice Quiz

Or browse all questions by subject