1. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California
2. Center for Western Weather and Water Extremes, Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California
3. Department of Geography, Portland State University, Portland, Oregon
4. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, and Joint Institute for Regional Earth System Science and Engineering, University of California, Los Angeles, Los Angeles, California