A199-05
Subseasonal-to-Seasonal (S2S) Atmospheric River and Precipitation Research and Experimental Forecast Product Development at CW3E/NASA JPL

Tuesday, 15 December 2020: 11:46
Virtual
Michael J Deflorio, Center for Western Weather and Water Extremes (CW3E), Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA, United States, F Martin Ralph, Scripps Institution of Oceanography, UC San Diego, Center for Western Weather and Water Extremes, La Jolla, CA, United States, Duane Edward Waliser, NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, Michael Anderson, CA Dept of Water Resources, Sacramento, CA, United States and Jeanine Jones, California Department of Water Resources, Sacramento, CA, United States
Recorded Presentation
Abstract:
Water resource managers are in need of more skillful Subseasonal-to-Seasonal (S2S) forecasts of atmospheric rivers (ARs) and precipitation over the western United States. Demand for improved S2S forecast skill in this region is fundamentally driven by its considerable interannual variability of precipitation, along with a rapidly growing population, an increasing desire to optimize resource management in a warming climate, and other socioeconomic and policymaking considerations.

California Department of Water Resources (CA DWR) has funded a partnership between the Center for Western Weather and Water Extremes (CW3E) and NASA Jet Propulsion Laboratory (NASA JPL) to improve S2S prediction of ARs and precipitation over the western U.S. In this presentation, specific decisions and actions made by water resource managers that would be affected by improved S2S forecasts of ARs and precipitation will be identified. In addition, an overview of key research and experimental forecast product development efforts by the CW3E/JPL S2S team to meet these stakeholder needs will be presented.

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