Officials at Prado Dam were forced to release water at 10,000 cfs into the Santa Ana River after a coffer dam began to spill water into an area of an earthen dam that was under construction. Hundreds of residents downstream were forced to evacuate.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS SGX wrote it up.
Officials at Prado Dam were forced to release water at 10,000 cfs into the Santa Ana River after a coffer dam began to spill water into an area of an earthen dam that was under construction. Hundreds of residents downstream were forced to evacuate. Corona Municipal Airport was completely flooded, and airplanes and hangars were damaged. Many of the planes were moved onto nearby streets before the river had a chance to completely inundate the airport. The Santa Ana River spilled onto the Green River Golf Club's two courses, closed the River Road bridge for 3 weeks, damaged a bike path, and forced the evacuation of 130 horses from an equestrian center.
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2005Every state in 2005This day in weather historyWarnings in California, January 2005
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5436684.