An upper level trough pushed into northern California during the evening of January 19. Moisture associated with this system produced a period of light to moderate precipitation in central California between the early morning of January 20 and the afternoon of January 21.
Every event with a place to put it; 2 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 HNX wrote it up.
An upper level trough pushed into northern California during the evening of January 19. Moisture associated with this system produced a period of light to moderate precipitation in central California between the early morning of January 20 and the afternoon of January 21. Much of Merced County picked up between a quarter and a half inch of rainfall while the Sierra Nevada from Fresno County northward picked up between a quarter and a half inch of liquid precipitation. Further south most locations picked up between a tenth and a half inch of precipitation. The snow level was between 7000 and 7500 feet for much of this event and several high elevation SNOTEL stations in the Sierra Nevada picked up an estimated 3 to 6 inches of new snowfall.
The national radar mosaic for the moment the first event began.
2 winter weather, 1 flood. Local standard time, as filed.
Several SNOTEL stations picked up an estimated 3 to 6 inches of new snowfall.
Several SNOTEL stations picked up an estimated 3 to 6 inches of new snowfall.
California Highway Patrol reported flooding in northbound Interstate 5 on the right hand side near the Volta Rd. underpass.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2024Every state in 2024This day in weather historyWarnings in California, January 2024
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 2026-09-30. Each event’s entry at NCEI: 1148860, 1148861, 1148859.