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Atmospheric Circulation and Weather Systems
Question
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Mention the differences between Tropical and Polar Air Masses. 

Answer

The differences:
i. Tropical Air Masses : Tropical air masses are of two types-tropical continental and tropical maritime. Tropical continental is basically hot and dry. These air masses develop over Sahara area. Hot and dry winds invade Mediterranean Europe, Northern Mexico and Southern California in the form of scorching Sirocco. moist and saturated and are causes of heavy precipitation. Tropical maritime is considerably wider than tropical continental because of greater size. These air masses overlying the tropic seas are


ii. Polar Air Masses : Polar air masses are located over warmer high latitude oceans of North Pacific, North Atlantic and the entire sweep of Southern Hemisphere surrounding Antarctica. The air overlying these areas providing warmer currents is a highly efficient evaporator of readily available moisture. So polar maritime is less cold and more moist. North America and North Europe experience this type of airmass.

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