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Flash Flood in San Luis Obispo County, California
Flash Flood January 28, 2021 · 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
Heavy rain fell over the Avila Fire burn scar, producing a mud and debris flow. The northbound lanes of Highway 101 were closed due to mud and debris from the burn scar.
The wider storm
A powerful winter storm impacted Central and Southern California with heavy rain and snow, gusty winds and widespread urban flooding. The heaviest rainfall totals (4-10 inches) fell across San Luis Obispo and Santa Barbara counties due to the influence of an atmospheric river. With such rainfall totals, numerous reports of flooding were received in these areas. Across Ventura and Los Angeles counties, rainfall totals were less, but still significant. Ventura county received 2 to 6 inches of rainfall with 1-4 inches across Los Angeles county. With snow levels around 5000 feet, significant snowfall fell in the mountains of Ventura and Los Angeles counties with 1 to 2 feet of snowfall reported. Along with the precipitation, southerly winds, gusting up to 80 MPH, impacted the area.
Began near Sycamore Spgs (35.1733, -120.6967).
Source: NOAA Storm Events Database, event 942749. Narratives are written by the National Weather Service forecast office that issued the report.
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