Flood in San Mateo County, California

Flood February 4, 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

All lanes of northbound Interstate 280 right before the San Bruno Avenue offramp were flooded.

The wider storm

An intense atmospheric river impacted the Bay Area from February 3rd to the 4th, bringing heavy rain and strong wind to the region, especially across the North Bay. The Russian River near Guerneville flooded due to the heavy rain.

Began near San Bruno (37.6210, -122.4263).

Source: NOAA Storm Events Database, event 1252659. Narratives are written by the National Weather Service forecast office that issued the report.

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