polar easterlies
dry, cold prevailing winds 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
en-GB/ˈpəʊlə iːstəlɪz/
en-US/ˈpoʊlɚ ˈistɚlɪz/
dry, cold prevailing winds 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