Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

2017 TECHNICAL ATTACHMENTS

17-01
A Study of the Pre-Frontal Jet Along the Southwest Oregon Coast
Brian Nieuwenhuis, WFO Medford, OR
17-02
Operational Success with Distributed Modeling to Inform Flash Flood Warning Operations at Weather Forecast Office San Diego
Michael Schaffner, WFO Phoenix, AZ; Alexander Tardy and Joe Dandrea, WFO San Diego, CA; Carl Unkrich and David Goodrich, USDA, Southwest Watershed Research Center, Tucson, AZ; Jayme Laber, WFO Oxnard, CA

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Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

Western Region Technical Attachments