On the eastern side of the Rocky Mountains, chinook winds are driest when ____.
A)clouds form and precipitation falls on the upwind side of the mountains
B)the air aloft is cold
C)the Sun is shining
D)the winds are blowing from the east
E)surface friction is greatest on the downwind side of the mountain

Question

Quizplus · Accepted Answer

Chinook winds are driest when clouds form and precipitation falls on the upwind side of the mountains. This is due to the orographic effect, where moist air rises, cools, and loses its moisture as precipitation before descending on the leeward side of the mountain, resulting in drier conditions.

On the Eastern Side of the Rocky Mountains, Chinook Winds