Sep 15, 2015
A broad upper level Pacific trough moved through the West Coast on September 14-15 and tapped into remnant tropical cyclone Linda moisture west of the California Bight. Widespread and locally heavy rainfall developed across the entire CWA with 1 to 2 inches of rainfall common. The heavy rain resulted in a major traffic impact during the morning commute in LA and Orange County, along with a debris flow in Silverado Canyon, and widespread urban flooding in San Diego, Orange, Riverside and San Bern
Source: NOAA National Weather Service Storm Events Database (event 603055). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in San Diego County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.