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Hail, Thunder, Lightning: Flash Flood Warning in Effect in San Francisco

Written by Sarah HoltzPublished Jan. 10, 2023 • 12:45pm
Cars travel on I-80 during a thunder and lightning storm in San Francisco on Tuesday, Jan. 10, 2023. | RJ Mickelson/The Standard

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The National Weather Service issued a flash flood warning for San Francisco and northwest San Mateo Counties at 12:19 p.m.

Strong thunderstorms will continue to impact parts of San Francisco, Daly City, South San Francisco, San Bruno, Pacifica, Brisbane, Colma and Broadmoor through 3:30 pm. Alameda and Contra Costa counties are also on notice.

This comes as the public reported strong thunderstorms from San Pablo to near Daly City moving at 35 miles per hour. The NWS expects wind gusts up to 50 miles per hour and pea-sized hail.

Hail in the Outer Sunset in San Francisco on Jan. 10, 2023 | Liz Lindqwister/The Standard

The NWS is expecting up to 1 inch of rain in the warned area.

People outdoors are advised to seek shelter inside a building, as torrential rainfall may lead to localized flooding. The NWS advises drivers to avoid flooded roadways.

San Franciscans reported hail and heavy rain. Take a look at the videos below of the storm around midday on Jan. 10, 2023.

Lightning strikes a crane above the Central Freeway on Jan. 10, 2023. | Jesse Rogala/The Standard
Thunder strikes in San Francisco around midday on Jan. 10, 2023. | Morgan Ellis/The Standard
Vehicles drive, spewing water, on the Central Freeway in San Francisco on Jan. 10, 2023, amid a storm. | Sophie Bearman/The Standard

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Sarah Holtz can be reached at [email protected]


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