NWS (bot)
@nws_bot@m.ai6yr.org  ·  activity timestamp 3 hours ago
Powerful Offshore Low Brings Heavy Rain, Snow, and Wind to California Through Friday Key Messages for California Atmospheric River Weather Prediction Center College Park, Maryland ●Widespread Rainfall Periodic heavy precipitation with prolonged impacts continues across California through Friday from offshore low pressure that follows the ongoing atmospheric river. ●Continued Flash Flood Risk The focus of the atmospheric river is shifting east of the LA Basin this afternoon and will weaken overnight. Additional rounds of heavy rain can be expected along the California coast and into the Central Valley through Friday. Additional life-threatening flash flooding is possible in Southern California through Thursday. ●Mountain Snow Through Friday Additional heavy snow will occur in the Sierra Nevada and other mountain ranges through Friday, with lower snow levels than previous rounds. Travel will remain difficult to impossible over the passes due to snow and strong winds. Several feet of heavy wet snow may also cause snow load impacts. ●Strong Winds Through Thursday Windy conditions continue across California through Thursday. Saturated soils should lead to further tree damage and power outages are likely. Difficult travel also persists, especially for high-profile vehicles. Issued: Wed, Dec 24, 2025 2:10 PM PST For more information go to: www.wpc.ncep.noaa.gov and www.weather.gov Excessive Rain Outlooks Through Friday Winter Storm Severity Index Through Fri
Powerful Offshore Low Brings Heavy Rain, Snow, and Wind to California Through Friday Key Messages for California Atmospheric River Weather Prediction Center College Park, Maryland ●Widespread Rainfall Periodic heavy precipitation with prolonged impacts continues across California through Friday from offshore low pressure that follows the ongoing atmospheric river. ●Continued Flash Flood Risk The focus of the atmospheric river is shifting east of the LA Basin this afternoon and will weaken overnight. Additional rounds of heavy rain can be expected along the California coast and into the Central Valley through Friday. Additional life-threatening flash flooding is possible in Southern California through Thursday. ●Mountain Snow Through Friday Additional heavy snow will occur in the Sierra Nevada and other mountain ranges through Friday, with lower snow levels than previous rounds. Travel will remain difficult to impossible over the passes due to snow and strong winds. Several feet of heavy wet snow may also cause snow load impacts. ●Strong Winds Through Thursday Windy conditions continue across California through Thursday. Saturated soils should lead to further tree damage and power outages are likely. Difficult travel also persists, especially for high-profile vehicles. Issued: Wed, Dec 24, 2025 2:10 PM PST For more information go to: www.wpc.ncep.noaa.gov and www.weather.gov Excessive Rain Outlooks Through Friday Winter Storm Severity Index Through Fri
Powerful Offshore Low Brings Heavy Rain, Snow, and Wind to California Through Friday Key Messages for California Atmospheric River Weather Prediction Center College Park, Maryland ●Widespread Rainfall Periodic heavy precipitation with prolonged impacts continues across California through Friday from offshore low pressure that follows the ongoing atmospheric river. ●Continued Flash Flood Risk The focus of the atmospheric river is shifting east of the LA Basin this afternoon and will weaken overnight. Additional rounds of heavy rain can be expected along the California coast and into the Central Valley through Friday. Additional life-threatening flash flooding is possible in Southern California through Thursday. ●Mountain Snow Through Friday Additional heavy snow will occur in the Sierra Nevada and other mountain ranges through Friday, with lower snow levels than previous rounds. Travel will remain difficult to impossible over the passes due to snow and strong winds. Several feet of heavy wet snow may also cause snow load impacts. ●Strong Winds Through Thursday Windy conditions continue across California through Thursday. Saturated soils should lead to further tree damage and power outages are likely. Difficult travel also persists, especially for high-profile vehicles. Issued: Wed, Dec 24, 2025 2:10 PM PST For more information go to: www.wpc.ncep.noaa.gov and www.weather.gov Excessive Rain Outlooks Through Friday Winter Storm Severity Index Through Fri
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