Great Plains vs. Las Vegas
Climate of Great Plains vs. Las Vegas
The Pacific air mass moves eastward and has it's moisture lost as it crosses over mountain ranges. The Great Plains are in the rain shadow of the Rocky Mountains. The western part of the Plains' precipitation is lacked because of the rain shadow, but eastern part of Plains are more affected by the Gulf Coast air mass so it is more humid than western Plains. The Precipitation for a year is about less than 20 inches which is very dry. Compare to Las Vegas, Las Vegas is most driest city in U.S.
