1. Department of Civil and Environmental Engineering, University of California Los Angeles , Los Angeles, CA 90095 , USA
2. Center for Western Weather and Water Extremes, Scripps Institution of Oceanography , La Jolla, CA 92093 , USA
3. Division of Atmospheric Sciences, Desert Research Institute , Reno, NV 89512 , USA
4. Department of Geography, University of California Los Angeles , Los Angeles, CA 90095 , USA