Q.

Which one of the following is called North-easter?

A. Cold and fast-blowing winds in northern hemisphere that move from sub-polar to polar regions
B. Cold and fast-blowing winds in South Pole region
C. Cold and fast-blowing winds from the polar region in northern hemisphere
D. Winds blowing towards Kazakhstan in Central Asia
Answer» C. Cold and fast-blowing winds from the polar region in northern hemisphere
Explanation: The polar easterlies are the dry, cold prevailing winds that blow from the high-pressure areas of the polar highs at the north and south poles towards low-pressure areas within the Westerlies at high latitudes. Cold air subsides at the pole creating the high pressure, forcing an equator ward out flow of air: that outflow is then deflected westward by the Coriolis Effect.
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