Aug 20, 2023
Tropical Storm Hilary, the first tropical storm to impact Southern California in 84 years, brought heavy rain and significant flooding to Ventura and Los Angeles counties. Rainfall totals were very impressive with mountain areas receiving 3 to 9 inches of rainfall while coastal and valley areas received 2.50 to 5 inches of rainfall. Rainfall rates were also very impressive with rates around 1 inch in less than an hour reported at times. With such heavy rainfall, numerous reports of flash floodin
Source: NOAA National Weather Service Storm Events Database (event 1136170). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Ventura County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.