Dec 4, 2019
A low pressure system moved over Southern California, bringing rain and high level mountain snow. Coast and valley areas received between 0.50 inch and 1 inch, with locally higher amounts up to 2 inches in the valleys. Mountain areas received 2 to 3 inches, with locally higher amounts in the San Bernardino Mountains. Desert areas received 0.25 to 0.50 inch. Heavy rain resulted in river flooding along the San Diego River, where water levels at Fashion Valley topped out at 9 feet (action stage).
Source: NOAA National Weather Service Storm Events Database (event 869742). 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.