Contact: Mari N. Jensen
University of Arizona
Caption: In the American Southwest, precipitation during the summer monsoon season provides a significant portion of the annual precipitation. Here lightning strikes over southern Arizona's Tucson Mountains during a 2010 monsoon thunderstorm.
Credit: Copyright Daniel Griffin, University of Arizona
Usage Restrictions: This image may only be used to accompany a story about the research described in the release, Monsoon Failure Key to Long Droughts in Southwest
Related news release: Monsoon failure key to long droughts in Southwest