Jul 19, 2015
Scattered to numerous thunderstorms developed over the lower deserts of Imperial and eastern Riverside county during the afternoon and evening hours on July 19th. Due to an infusion of tropical moisture from former hurricane Dolores, some of the storms produced torrential rainfall with peak rainfall rates in excess of 3 inches per hour. The heavy rain led to episodes of flash flooding, one of which affected northeastern Imperial county during the evening hours. Flash flooding washed out highway
Source: NOAA National Weather Service Storm Events Database (event 582861). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Imperial County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.