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Arctic air mass
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source regions of world's principal air masses
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Arctic air mass

atmospheric science
Also known as: mP, mP air mass, maritime Polar air mass

Learn about this topic in these articles:

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  • source regions of world's principal air masses
    In air mass

    Maritime Polar (mP) air masses develop over the polar areas of both the Northern and the Southern hemispheres. They generally contain considerably more moisture than the cP air masses. As they move inland in middle and high latitudes, heavy precipitation may occur when the air is forced…

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  • season
    In climate: Atmospheric pressure

    Cool, moist maritime polar (mP) air, on the other hand, forms over the colder subpolar ocean waters just south and east of the large, winter oceanic low-pressure regions. Over the continents, cold dry continental polar (cP) air and extremely cold dry continental arctic (cA) air forms in the high-pressure…

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