Jul 29, 2015
July rounded out with another shot of monsoon moisture and thunderstorms as high pressure shifted back westward over the Four Corners on the 29th and 30th. The main drivers for storms were terrain and outflow boundary collisions. Scattered thunderstorms occurred mainly over the mountains and deserts with wide-ranging rainfall totals from a few tenths of an inch to locally over 2 inches. Flash flooding occurred in Idyllwild, Timoteo Canyon, Calimesa/Moreno Valley, along with water flowing in the
Source: NOAA National Weather Service Storm Events Database (event 596484). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in San Bernardino County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.