Aug 24, 2022
A very moist (PWATs 2.0+ inches) and unstable (MLCAPE 2000-3000 J/KG) air mass led to a very conducive environment for vigorous thunderstorm activity across portions of southeast California. Thunderstorms first developed across the higher terrain near Joshua Tree National Park as well as across the mountains of Northern Baja California. With the upper-level flow from the west, these thunderstorms moved eastward into Imperial and Riverside counties, moving into the very moist and unstable air mas
Source: NOAA National Weather Service Storm Events Database (event 1054023). 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.