Flood in Contra Costa County, California

Flood February 18, 2024 · Contra Costa County, California

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

A 6 inch deep puddle in the slow lane of westbound Interstate 80.

The wider storm

Two storm systems impacted central California From February 17 to 20. A quickly-moving cold front came through the region on the 17th, causing minor nuisance flooding and gusty winds. A second, deeper but slower moving, system followed the next day with widespread rain and gusty winds. A warm front associated with this low came through the region late on Sunday the 18th, followed by the associated cold front and associated thunderstorms on Monday the 19th. With the longer period of rainfall and soils being saturated, shallow landslides were reported across the region.

Began near Hercules (38.0168, -122.2680).

Source: NOAA Storm Events Database, event 1155003. Narratives are written by the National Weather Service forecast office that issued the report.

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