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Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

The Storm Prediction Center (SPC) has identified an area of marginal severe weather threat across northeast Utah and northwest Colorado Friday afternoon. They indicated the potential for some thunderstorms firing along and ahead of an approaching cold front may be capable of generating wind gusts of 60 mph or higher and some hail. Storms may develop as early as noon, but the greatest coverage and intensity will be between 4-9 pm. Stay tuned for further updates on this potential severe weather threat.

 

Severe Thunderstorm Risk Area on Friday