Final answer:
Mountain uplift has a significant effect on weather patterns, specifically in terms of precipitation. It can result in a decrease in precipitation on the leeward side due to the rain shadow effect.
Step-by-step explanation:
The uplift of mountains has a significant effect on weather patterns, especially in terms of precipitation. Mountain ranges can cause a decrease in precipitation on the leeward side due to a phenomenon called the 'rain shadow' effect. As moist air from the ocean rises and cools over the mountains, it condenses and releases precipitation on the windward side. On the leeward side, the air becomes dry, resulting in little precipitation. This creates a rain shadow and causes the region to have a more arid climate.