It may not be a good time to move to the southwest.

Lake Mead Could Be Within a Few Years of Going Dry, Study Finds – New York Times:

Lake Mead, the vast reservoir for the Colorado River water that sustains the fast-growing cities of Phoenix and Las Vegas, could lose water faster than previously thought and run dry within 13 years, according to a new study by scientists at the Scripps Institution of Oceanography….

Other recent research has shown that the watershed feeding the Colorado River has historically had a tendency to be far drier than it has been in the past century. The new study projects that changes foreseen in a warming world could well help tip the region back into its dry norm.