Sep 24, 2021
Scattered showers and thunderstorms impacted the desert to the coast on September 24. Locally heavy rainfall occurred across San Diego County with rainfall of 0.5 to 1 inch occurring, locally higher 1 to 2 inches near Palomar Mountain. A rare Severe Thunderstorm Warning was issued for downtown San Diego. Widespread hail and strong winds were reported.
Source: NOAA National Weather Service Storm Events Database (event 984204). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in San Diego County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.