AIR MASSES and Mid Latitude Wave Cyclone

AIR MASSES and Mid Latitude Wave Cyclone - AIR MASSES &...

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Air Mass: an immense body of air, some 1600+ km across and 1-3 km thick, with relatively homogeneous physical properties (density, T° & moisture) at a given altitude Classification Scheme: 2-letter abbreviations are used to indicate Source Region , * first letter: reference to surface over which it develops & thus the level of humidity c == Continental (Dry) m == Maritime (wet) * second letter: reference to latitude or source region of origin & thus T° A == arctic ; P == polar ; T == tropical ; E == equatorial ; Source Regions: area in which air mass originates ** source reigion determines initial characteristics of the air mass Cold v. Warm Dry v. Humid Types of Air Masses: * Continental Arctic (cA) : Arctic basin & Greenland; bitter cold, dry,stable * Continental Polar (cP) : Interior Canada & Alaska; cold, dry, stable * Continental Tropical (cT)
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This note was uploaded on 04/14/2008 for the course GEOG 1111 taught by Professor Hopkins during the Spring '08 term at University of Georgia Athens.

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AIR MASSES and Mid Latitude Wave Cyclone - AIR MASSES &...

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