Aug 24, 2013
Copious amounts of tropical moisture streamed northward into far southeastern California on August 24th, ahead of dissipating former tropical storm Ivo. The atmosphere over the lower California deserts became very moist and unstable, and scattered strong thunderstorms developed during the early afternoon hours. The storms generated copious amounts of rain, with rain rates in excess of 3 inches per hour. Flash flooding developed across portions of Imperial and eastern Riverside counties, especial
Source: NOAA National Weather Service Storm Events Database (event 468198). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Riverside County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.