The rain-shadow effect would be most evident in which direction relative to the Rocky Mountains?

Question

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The rain-shadow effect occurs when moist air is forced to rise up and over a mountain range, causing it to cool and release its moisture as precipitation on the windward (upwind) side of the range. By the time the air reaches the leeward (downwind) side, it has lost much of its moisture and is much drier. In the case of the Rocky Mountains, the prevailing winds come from the west, so the rain-shadow effect would be most evident in the east, where the air is descending and warming, leading to drier conditions.

The Rain-Shadow Effect Would Be Most Evident in Which Direction