There was an extended period of snow over northern California. This led to heavy snow over portions of northern California.
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 MFR wrote it up.
There was an extended period of snow over northern California. This led to heavy snow over portions of northern California.
The national radar mosaic for the moment the first event began.
1 heavy snow. Local standard time, as filed.
Based on a photo taken in Alturas at 17/1300 PST, an estimated 8 to 12 inches of snow had fallen in Alturas by that time.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2020Every state in 2020This day in weather historyWarnings in California, March 2020
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: 872267.