Experimental Subseasonal Forecasting of Atmospheric Rivers over the Western U.S. During Winter 2017-2018 and 2018-2019


Michael J Deflorio1,2, Duane Edward Waliser3, Marty Ralph4, Jeanine Jones5, Alex Goodman6, Bin Guan7, Aneesh Subramanian8, Zhenhai Zhang9, Alexander Gershunov4 and Frederic Vitart10, (1)NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (2)Scripps Institution of Oceanography, UC San Diego, Center for Western Weather and Water Extremes (CW3E), La Jolla, United States, (3)NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (4)Scripps Institution of Oceanography, University of California San Diego, Center for Western Weather and Water Extremes (CW3E), La Jolla, United States, (5)California Department of Water Resources, Sacramento, CA, United States, (6)NASA Jet Propulsion Laboratory, Pasadena, United States, (7)University of California, Los Angeles, Joint Institute for Regional Earth System Science and Engineering, Los Angeles, United States, (8)University of Colorado at Boulder, Atmospheric and Oceanic Sciences, Boulder, United States, (9)Scripps Institution of Oceanography, Center for Western Weather and Water Extremes (CW3E), La Jolla, CA, United States, (10)European Centre for Medium-Range Weather Forecasts, Shinfield, United Kingdom