Polar air: Difference between revisions
From Glossary of Meteorology
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|Display title=polar air | |||
{{ | |Definitions={{Definition | ||
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|Meaning=A type of [[air mass]] with characteristics developed over high latitudes, especially within the subpolar highs. | |||
|Explanation=Continental polar air (cP) has low surface [[temperature]], low moisture content, and, especially in its [[source]] regions, great [[stability]] in the lower layers. It is shallow in comparison with [[arctic air|arctic air]]. Maritime polar air (mP) initially possesses similar properties to those of continental polar air, but in passing over warmer water it becomes unstable with a higher [[moisture content]]. | |||
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Latest revision as of 03:46, 29 March 2024
A type of air mass with characteristics developed over high latitudes, especially within the subpolar highs.
Continental polar air (cP) has low surface temperature, low moisture content, and, especially in its source regions, great stability in the lower layers. It is shallow in comparison with arctic air. Maritime polar air (mP) initially possesses similar properties to those of continental polar air, but in passing over warmer water it becomes unstable with a higher moisture content.