Dec 21, 2023
A powerful winter storm, fueled by an atmospheric river, brought very heavy rainfall and significant flash flooding to parts of Southwestern California. The heaviest rainfall occurred across the mountains of Santa Barbara, Ventura and Los Angeles counties with totals ranging from 5 to 14 inches while coastal and valley areas in these three counties reported 2 to 8 inches of rainfall. Across San Luis Obispo county, 2 to 5 inches of rainfall was reported. Numerous reports of flash flooding and mud
Source: NOAA National Weather Service Storm Events Database (event 1153796). 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.