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.

Look at other dictionaries:

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  • air mass — a body of air covering a relatively wide area, exhibiting approximately uniform properties through any horizontal section. [1890 95] * * * In meteorology, a large body of air having nearly uniform conditions of temperature and humidity at any… …   Universalium

  • air mass — n. Meteorol. a huge, uniform body of air having the properties of its place of origin: see POLAR CONTINENTAL, POLAR MARITIME, TROPICAL CONTINENTAL, TROPICAL MARITIME …   English World dictionary

  • air mass — noun a large body of air with uniform characteristics horizontally • Hypernyms: ↑atmosphere, ↑atmospheric state • Hyponyms: ↑high, ↑low, ↑depression * * * noun : a body of air extending hundreds or thousands of miles horizontally and someti …   Useful english dictionary

  • 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

  • air mass — /ˈɛə mæs / (say air mas) noun a large body of air, up to thousands of kilometres in extent, of uniform temperature and humidity, and impacting on an adjacent air mass at a well defined front; classified according to temperature as Arctic,… …   Australian English dictionary

  • air mass —   large body of air with shared temperature and humidity characteristics associated with its area of origin e.g. maritime or continental; tropical or polar …   Geography glossary

  • air mass — Synonyms and related words: anticyclone, cold front, cold sector, cyclone, front, high, high pressure area, isobar, isometric, isometric line, isopiestic line, isotherm, isothermal line, low, low pressure area, occluded front, polar front, squall …   Moby Thesaurus

  • polar — i. An air mass with characteristics developed over high latitudes, especially within subpolar highs. Continental and maritime are two types of polar air masses. See polar air mass. ii. The parameters plotted on polar coordinates. See polar… …   Aviation dictionary


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