An upper disturbance moved east across Northwest California during early to mid December. Locally heavy low-elevation rainfall was observed, along with areas of heavy mountain snow.
Every event with a place to put it; 7 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 EKA wrote it up.
An upper disturbance moved east across Northwest California during early to mid December. Locally heavy low-elevation rainfall was observed, along with areas of heavy mountain snow. Impacts due to falling trees occurring with periods of strong gusty winds were also observed.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Eureka, CA wrote its last area forecast discussion before the first event at Dec 7, 2:43 PM PST, 20 hours 17 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
4 heavy rain, 3 winter weather, 3 strong wind, 2 high wind, 1 heavy snow. Local standard time, as filed.
Two inches of snow at an elevation near 3000 feet.
Four inches of snow at an elevation near 2900 feet.
Tree fell on vehicle causing accident.
Heavy rain caused a landslide across Route 128.
Heavy rain caused a rock slide across Highway 101. Several vehicles crashed as a result.
Heavy rain caused a rockslide that spread across Highway 299 leading to a truck accident.
Heavy rain caused rock and mud to flow across Highway 101.
Ten inches of snow over a 24 hour period at an elevation near 5000 feet.
Four inches of snow at an elevation of 1950 feet.
Strong winds knocked powerlines across roadway along coastal Humboldt County.
Wind gust to 57 mph caused power lines to fall across road. Impacts occurred near an elevation of 2200 feet.
Power lines down across Highway 197 and 199 due to high wind gusts.
Strong winds caused a tree to fall across Highway 101. A car smashed into the tree resulting in serious injuries.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2022Every state in 2022This day in weather historyWarnings in California, December 2022
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: 1067602, 1067603, 1067614, 1067605, 1067606, 1067609, 1067611, 1067615, 1067604, 1067610, 1067607, 1067612, 1067613.