In this article we will discuss about the wintertime and summertime air masses of Asia. 1. Wintertime Air Masses: i. Continental Polar Air Masses: These air masses originate over extensive areas comprising Siberia and outer Mongolia having very cold ground surface. Initially, the air masses are very cold and dry in their source regions. The lower portion upto the height [...]
In this article we will discuss about:- 1. Meaning of Air Mass 2. Source Regions of Air Mass 3. Classification. Meaning of Air Mass: "An air mass may be defined as a large body of air whose physical properties, especially temperature, moisture content, and lapse rate, are more or less uniform horizontally for hundreds of kilometres". According to A.N. Strahler [...]
In this article we will discuss about the wintertime and summertime air masses of North America. 1. Wintertime Air Masses: i. Continental Polar Air Mass (cP): Continental polar air mass is cold (K), dry and stable (s), and originates over the snow-covered central Canada to the north of 50°-60°N latitude, and Alaska while continental arctic air masses originate over arctic [...]