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 [...]
In this article we will discuss about:- 1. Meaning of Fronts 2. Creation of Fronts 3. Classification 4. Changing Weather. Meaning of Fronts: Front is that sloping boundary which separates two opposing air masses having contrasting characteristics in terms of air temperature, humidity, density, pressure, and wind direction. An extensive transitional zone between two converging air masses is called frontal [...]