Jul 22, 2021
A few strong thunderstorms developed in western Imperial County in the afternoon in a highly unstable environment with above normal moisture levels. Rain rates with the storm were upwards of 2 inches per hour with a few areas of radar estimated accumulations between 1.0-2.0 inches in roughly 1 hour. This resulted in localized flash flooding with at least one reported flooded road in the Salton City area.
Source: NOAA National Weather Service Storm Events Database (event 976262). 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.