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Flood in San Mateo County, California
Flood November 13, 2025 · San Mateo County, California
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
Three to six inches of water covered Interstate 280 near Sneath Lane.
The wider storm
An rapidly intensifying low pressure system impacted the Bay Area and Central Coast on November 13, with the associated frontal systems and atmospheric river resulting in numerous flooding impacts and strong winds across the region. High Wind Warnings and Wind Advisories were issued throughout the Bay Area and Central Coast, with the High Wind Warnings focused on the immediate coastal areas. Over 3,500 customers lost power across the Bay Area as a result of the system. At San Francisco International Airport, at least 46 flights were cancelled while 113 were delayed.
Began near Tanforan (37.6317, -122.4369).
Source: NOAA Storm Events Database, event 1299236. Narratives are written by the National Weather Service forecast office that issued the report.
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