Veronica Roch

Map shows a high risk for a "megadrought" in the Southwest, according to study by Cornell University, the University of Arizona and the U.S. Geological Survey. (Toby Ault / Cornell University)

Study concludes drought likely to continue.

 The chances of a “megadrought” in the Southwest lasting more then 30 years is reported to be 50% while the chances of a 10…