Winter Storm, West Slope Northern Sierra Nevada
- When
- December 9, 1:40 AM PST to 11:00 AM PST
- Where
- West Slope Northern Sierra Nevada forecast zone
- Reported by
- NEWSPAPER
Winter Storm in California, December 9, 1999
The first winter storm for many this winter season in the Northern Sierra Nevada was responsible for disrupting electrical power for 1,300 PG&E customers. A mix of rain, wet snow, and ice severed power lines mainly in western Nevada County.
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 2
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.
What happened
The episode as NWS STO wrote it up.
The first winter storm for many this winter season in the Northern Sierra Nevada was responsible for disrupting electrical power for 1,300 PG&E customers. A mix of rain, wet snow, and ice severed power lines mainly in western Nevada County. The snow and ice also affected the morning commute disabling traffic along Highways 49, 20 and 174. The California Highway Patrol reported more than 30 non-injury accidents along these routes during the morning commute.
Event by event
2 winter storm. Local standard time, as filed.
Winter Storm, Motherlode/Camptonville to Goverland
- When
- December 9, 1:40 AM PST to 11:00 AM PST
- Where
- Motherlode/Camptonville to Goverland forecast zone
- Reported by
- NEWSPAPER
What these are
- Winter Storm
- A storm that brought snow, sleet or freezing rain at warning levels, usually over several hours or days.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornado in Mississippi, December 9, 1999
- Damaging Wind in Mississippi, December 9, 1999
- Damaging Wind in Mississippi, December 9, 1999
- Hail and Damaging Wind in Tennessee, December 9, 1999
- Damaging Wind in Texas, December 9, 1999
- Hail and Damaging Winds in Mississippi, December 9, 1999
- Damaging Wind in Louisiana, December 9, 1999
- Dense Fog in Florida, December 9, 1999
- Heavy Snow in Idaho, December 9, 1999
- Heavy Snow in Idaho, December 9 to 10, 1999
- Heavy Snow in Montana, December 9 to 10, 1999
- Heavy Snow in California, December 9, 1999
More
Every storm in California in 1999Every state in 1999This day in weather historyWarnings in California, December 1999
Sources
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: 5720170, 5720171.