Dec 26, 2019
A series of low pressure systems from the north and northwest, plus a weak tap into atmospheric river moisture, brought rain, mountain snow, and gusty winds to Southern California. Snow levels reached as low as 2000 feet, and brought high impact snow to locations above 4000 feet. Both I-8 through the San Diego Mountains and I-15 through the Cajon Pass were closed due to heavy snowfall. Between December 22-24, the coastal areas received 1-1.5 inches of rainfall, the valleys received 0.50-1 inch,
Source: NOAA National Weather Service Storm Events Database (event 870575). 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.