Flash Flood in San Luis Obispo County, California

Flash Flood March 10, 2023 · San Luis Obispo County, California

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

What the National Weather Service wrote

California Highway Patrol reported mud and debris completely blocking York Mountain Road and Shadow Canyon Road.

The wider storm

A second winter storm impacted Southwestern California. The heaviest rainfall impacted San Luis Obispo and Santa Barbara counties where rainfall totals ranged from 2 to 4 inches across the coast with 5 to 10 inches across the foothills and mountains. For Ventura and Los Angeles counties, rainfall totals ranged between 0.50 and 1.50 inches with local amounts up to 3 inches across the foothills. The heavy rainfall produced numerous reports of flooding across San Luis Obispo and Santa Barbara counties. Also, gusty south to southwest winds were reported across many areas.

Began near Gorman (35.5400, -120.8200).

Source: NOAA Storm Events Database, event 1090792. Narratives are written by the National Weather Service forecast office that issued the report.

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