Polar outbreak

Alternative definitions (1), class: vernacular (0)

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Term: Polar outbreak
Definition: The movement of a cold air mass from its source region; almost invariably applied to a vigorous equatorward thrust of cold polar air, a rapid equatorward movement of the polar front. (Or cold-air outbreak.)
GCW AMSglossary
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary
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