Jul 30, 2021
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 National Weather Service Storm Events Database (event 976749). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in San Bernardino County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.