The storm moving through the Bay Area on Monday could be impactful with the potential for flooding, thunderstorms and hail in isolated areas, with greater chances in the North Bay and Inland East Bay.
The National Weather Service said that the Gulf region will witness periods of moderate to heavy rain today, Monday, with active winds, and the chances of thunderstorms will increase in the afternoon until early evening. A flood warning was in effect until 4pm Monday in the North Bay, while a flood warning was in effect until Wednesday at 10am for the entire Bay Area as well as the central coast and mountains.
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At approximately 4 p.m., a Severe Thunderstorm Warning was issued for San Mateo County in effect until 4:30 p.m. with wind gusts up to 60 mph possible as the storm cell moves through the area. Residents were advised to stay in their homes. The National Weather Service also said there was a possibility the storm cell could produce a tornado.
The National Weather Service issued subsequent special weather statements warning that high winds of up to 50 mph would continue until 5 p.m.
So far, there have been no reports of damage due to the winds caused by the strong storm cell.
In Sonoma County, the fire protection district tweeted a video of flooding in the area of Mark West Station Road on Starr Road. As the water continues “to rise and actively flow across the road at Mark 2”.
Among the effects of Monday's latest storm was flooding that closed roads in Windsor and Part of Niles Canyon Road collapses Just west of Sunol.
Additionally, the weather service said a wind advisory was in effect for the Bay Area and Central Coast until 4 p.m. Tuesday, with the strongest winds expected along the coast and within high terrain. Wind gusts of up to 50 mph could topple trees and cause power outages.
The greatest chances for thunderstorms are in the North Bay and the inner East Bay adjacent to the Sacramento Valley, the weather service said.
“Some strong storms are likely, with gusty winds, hail and possibly a brief tornado,” the weather service said in a statement on Monday. “Continue to be aware of today's weather and have many ways to receive weather alerts.”
Rain and scattered thunderstorms are expected to continue until Tuesday.