Feb 21, 2005
A powerful Pacific storm tapped into a subtropical moisture source to produce heavy rain and flash flooding across Southwestern California. Overall, rainfall totals ranged from 4 to 8 inches over coastal areas to between 10 and 20 inches in the mountains. In Ventura county, State Route 150 was closed at the Dennison Grade due to flash flooding and mudslides. In Los Angeles county, numerous roadways were closed due to mudslide and flash flooding including Interstates 5 and 10, Highway 101 in Holl
Source: NOAA National Weather Service Storm Events Database (event 5437245). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Santa Barbara County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.