Thursday, April 5, 2012



Differences between the properties of air flowing from different regions.
Source: http://www.islandnet.com

Maritime polar (mP): Cool and moist conditions characterize Maritime polar air masses. They usually bring cloudy, damp weather. Maritime polar air masses form over the northern Pacific and the northern Atlantic Oceans. These generally influence the Pacific Northwest and the Northeast, respectively. Maritime polar air masses can form any time of the year and are usually not as cold as continental polar air masses in winter because of the moderating influence of the sea surface beneath them.

North American Air Mass Source Regions
 
Source: http://www.islandnet.com
 

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