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 >

Storm surveys continue to assess damage which occurred across the area from several severe weather events last week. Results from completed surveys can be accessed using the links below.

Here are preliminary maps of storm reports from last week's severe weather events.

Monday, May 9th

May 9 2022 storm reports

List of storm reports from Monday: https://www.spc.noaa.gov/climo/reports/220509_rpts.html

Wednesday, May 11th

May 11 2022 storm reports

List of storm reports from Wednesday: https://www.spc.noaa.gov/climo/reports/220511_rpts.html

Thursday, May 12th

May 12 2022 Storm Reports

List of storm reports from Thursday: https://www.spc.noaa.gov/climo/reports/220512_rpts.html

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

Severe Weather Events: May 9-12, 2022