polar air mass

polar air mass

      air mass that forms over land or water in the higher latitudes. See air mass; front.

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Universalium. 2010.

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  • air mass classification — noun a) Meteorology. a system used to identify and to characterize the different air masses according to a basic scheme. A number of systems have been proposed, but the Bergeron classification has been the most widely accepted. In this system,… …   Wiktionary

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