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Flood in Contra Costa County, California
Flood April 4, 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
Roadway flooding was reported at Westbound California Highway 4 and Westbound Interstate 80.
The wider storm
Scattered thunderstorms impacted the Bay Area on April 4 and 5 as a cold core upper level low tracked over the region. After a front passed through the region, an unstable atmosphere set up over the region and contributed to convective activity. The SPC placed the region in a general mention of thunderstorms, with small hail being the main impact.
Began near Hercules (38.0162, -122.2693).
Source: NOAA Storm Events Database, event 1164960. Narratives are written by the National Weather Service forecast office that issued the report.
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