Aug 18, 2022
Thunderstorms over the higher terrain of northern Arizona pushed southwest into the lower deserts during the evening of the 18th. These thunderstorms continued in a favorable environment characterized by abundant moisture (PWATs around 1.8-1.9) and high instability (MUCAPE around 2,000 J/kg). As these thunderstorms moved through the Lower Colorado River Valley area near Blythe, they produced damaging winds and flash flooding. No injuries were reported.
Source: NOAA National Weather Service Storm Events Database (event 1054018). 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.