met119 - Meteorology 4/8/2008 1:09:00 AM Air Masses...

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Meteorology 08/04/2008 01:09:00 Air Masses [continued] Continental Polar air is stable; all other types are unstable.  This air mass can  become unstable if it travels over a warm surface. Modified stability: Maritime Polar masses are stable in winter because air is  warmer than the land it is traveling over. Stability Chart
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Winter mP stable Summer mP unstable Winter mT stable
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Summer mT unstable
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Instability is caused by differences in temperature between land and air mass;  the more substantial the difference, the more unstable an air mass will be. [as stated above]Continental Polar air is very unstable in summer [causes  strong rising motions]. Continental Tropical air is always stable. [END OF TEST MATERIAL  \^_^/] Test material: Stability/instability [week 5/6] formation of precipitation circulation pressure/winds air masses not included:
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This note was uploaded on 04/07/2008 for the course ATM 100 taught by Professor Tsonis during the Fall '06 term at Wisconsin Milwaukee.

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met119 - Meteorology 4/8/2008 1:09:00 AM Air Masses...

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