Flood in Contra Costa County, California

Flood November 26, 2019 · Contra Costa County, California

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

What the National Weather Service wrote

Media reported flooded roads at the intersection of Broadway and Cypress St in Walnut Creek.

The wider storm

A rapidly intensifying and ultimately record setting low pressure system moved into northern California and the Pacific Northwest in late November. A strong cold front associated with this system swept through the Bay Area bringing heavy rain, roadway flooding, strong winds, low elevation snow, small hail, and large waves to the region. This low set a record for the lowest sea-level pressure ever recorded in the state of California near Crescent City of 973.4 mb. Numerous webcams picked up snow on our area peaks down to 2000 feet in elevation.

Began near Walnut Creek (37.8996, -122.0597).

Source: NOAA Storm Events Database, event 860168. Narratives are written by the National Weather Service forecast office that issued the report.

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