A strong storm system brought heavy mountain snow with mountain travel delays and chain restrictions, widespread rain with flooding impacts, and gusty winds from November 18th through November 21st. There were multiple reports of downed trees and power lines with power outages and flooding.
Every event with a place to put it. 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 STO wrote it up.
A strong storm system brought heavy mountain snow with mountain travel delays and chain restrictions, widespread rain with flooding impacts, and gusty winds from November 18th through November 21st. There were multiple reports of downed trees and power lines with power outages and flooding. Mountain snow resulted in chain restrictions, travel delays, and closures of major interstates.
The national radar mosaic for the moment the first event began.
9 flood, 4 heavy snow. Local standard time, as filed.
Caltrans reported that Northbound Interstate 5 was closed to all traffic at Fawndale from the snowfall. Nearby CoCoRaHS reported snow amounts of 1 to 6 inches. The National Operational Hydrologic Remote Sensing Center estimated 12 to 48 inches at the higher peaks in Shasta County.
Nearby CoCoRaHS at similar elevations reported snow amounts of 6 inches. The National Operational Hydrologic Remote Sensing Center estimated snow amounts of 4 to 18 inches.
A weather station at Lower Lassen Peak reported 50 inches. The National Operational Hydrologic Remote Sensing Center estimated snow amounts of 24 to over 48 inches in the Lassen Park area, with 6 to 24 inches elsewhere. Snow started falling on the 19th and continued through the morning of the 21st.
Caltrans reported snow amounts of around 10 to 20 inches. The UC Berkeley Central Sierra Snow lab reported 19.3 inches. The National Operational Hydrologic Remote Sensing Center reported snow amounts of 4 to 24 inches north of Highway 50, with the majority falling along and north of Interstate 80. Snow started falling on the 19th and continued through the morning of the 21st. Interstate 80 was turning away big rigs and tractor trailers from Nyack to Truckee for about 3 hours due to multiple spinouts in the snow.
California Highway Patrol reported flooding on State Route 45 near Stegeman across half of the southbound lane.
California Highway Patrol reported multiple cars collided with rocks on the road, along State Route 16 and State Route 20. No injuries were reported.
California Highway Patrol reported roadway flooding at 3050 Travis Blvd in Fairfield.
California Highway Patrol reported the roadway is completely washed out from heavy rain.
California Highway Patrol reported flooding of the roadway at Millville Plains Road and State Route 44 from heavy rain.
California Highway Patrol reported road flooding of County Road 16 and County Road 95 in Yolo County, leading to closure of the road.
California Highway Patrol reported roadway flooding on County Road 4 in Yolo County.
Caltrans reported flooded lanes on Highway 45 at Prince Street in Princeton.
California Highway Patrol reported road flooding at Highway 70 at Garden Drive.
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, November 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 2026-10-01. Each event’s entry at NCEI: 1219735, 1219736, 1219786, 1219787, 1219090, 1219092, 1219093, 1219094, 1219095, 1219096, 1219097, 1219099, 1219100.