Flood in Contra Costa County, California

Flood December 7, 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

CHP reports several freeways including 680 and 24 have flooding in some or all lanes.

The wider storm

A cold front swept through the region on the 7th bringing gusty southerly winds, heavy rain, and flooding. Winds brought down trees and power lines across the greater Bay Area resulting in injuries to two people in San Francisco. Downed power lines also left over 1,000 people without power in the Santa Cruz Mountains as well as causing several additional power outages across San Francisco. A line of strong showers moved over San Francisco bringing urbanized flooding to the city and strong winds. Roads as well as municipal stations were underwater.

Began near Pacheco (37.9982, -122.0738).

Source: NOAA Storm Events Database, event 864649. Narratives are written by the National Weather Service forecast office that issued the report.

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