National Weather Service United States Department of Commerce

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 >

COOP

National Program

Weather Spotter Training

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Weather Spotters

Severe Weather Spotters are a vital link in the timely and accurate flow of weather information into and out of weather forecast offices. Click here to learn more. Storm Spotter training is available to the public as conducted by the local NOAA/NWS Forecast Office on an annual scheduled basis. If you are interested in attending these training sessions and becoming a spotter, please contact your local NOAA/NWS Forecast office or the national coordinator:
 
 

The SKYWARN Weather Spotter Program
 

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