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Dust Storm in San Diego County Deserts, California
Dust Storm July 30, 2021 · San Diego County Deserts, California
What the National Weather Service wrote
Twitter report with video of heavy blowing dust in Borrego Springs. Corresponding peak wind was 30 mph from the south-southeast at approximately 7 pm PDT. Minimum visibility unknown. Duration estimated.
The wider storm
Enhanced monsoonal moisture surged into Southern California, producing heavy thunderstorms across the San Bernardino County Mountains, the Riverside County Mountains and the San Diego County Mountains. A significant debris flow occurred on July 30 across northern portions of the El Dorado Burn Scar, with debris covering Highway 38.
Source: NOAA Storm Events Database, event 976818. Narratives are written by the National Weather Service forecast office that issued the report.
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