National Weather Service United States Department of Commerce

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 >

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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