How can a mountain ''dry out'' the air?

Mountains can "dry out" the air through a process known as orographic lift. As moist air rises over the mountain, it cools and condenses, leading to precipitation on the windward side. This results in drier air descending on the leeward side, creating a rain shadow effect where the air becomes warmer and drier. Consequently, regions on the leeward side of the mountain often experience significantly lower humidity and reduced rainfall.