Apr 7, 2020
An atmospheric river (300-400 IVT) brought widespread heavy rain to Southern California on April 6th. A few showers lingered into April 7th, but it was low impact. A warm front moved through the region on April 8th and brought waves of showers from south to north, with persistent heavy snow in the San Bernardino Mountains. Following the warm front, an upper low moved into the California Bight and stalled on April 9th, bringing 3 to 5 inches of rain to Orange County and San Diego County through t
Source: NOAA National Weather Service Storm Events Database (event 887618). 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.