Isla Simpson¹, Michael J Deflorio², Jiabao Wang³, Luca Delle Monache⁴, Nora Mascioli⁵, Jim Edwards⁶, Nan A Rosenbloom⁷, Matthew Simpson⁴, Gokhan Danabasoglu⁸, Yuanpu Li⁸, Peter B. Gibson⁹, Patrick Mulrooney⁴, Jadwiga Richter¹⁰ and Stephen G Yeager¹¹, (1)National Center for Atmospheric Research, CGD Laboratory, Boulder, United States, (2)Scripps Institution of Oceanography, UC San Diego, Center for Western Weather and Water Extremes (CW3E), La Jolla, United States, (3)Scripps Institution of Oceanography, University of California San Diego, Center For Western Weather and Water Extremes (CW3E), La Jolla, United States, (4)Center for Western Weather and Water Extremes (CW3E), Scripps Institution of Oceanography, UC San Diego, La Jolla, United States, (5)University of California San Diego, La Jolla, United States, (6)National Center for Atmospheric Research, Boulder, CO, United States, (7)National Center for Atmospheric Research, Boulder, United States, (8)National Center for Atmospheric Research, Climate and Global Dynamics, Boulder, United States, (9)National Institute of Water and Atmospheric Research, Wellington, New Zealand, (10)U. S. National Science Foundation National Center for Atmospheric Research, Boulder, United States, (11)NSF National Center for Atmospheric Research, Boulder, United States