California, 2004Heavy Snow in California, December 29 to 31, 2004
December 29 to 31, 2004 · NWS MFR · 12 events in 3 counties and zones
A Winter Storm Warning was issued for CAZ080/082 above 3000 feet at 29/0420 PST, effective 29/1800 to 30/0600. Another Winter Storm Warning was issued for CAZ083 above 3000 feet at 29/1556, effective until 31/1000.
Every event with a place to put it; 12 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
Open the live radar over this ground
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 12
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.
A Winter Storm Warning was issued for CAZ080/082 above 3000 feet at 29/0420 PST, effective 29/1800 to 30/0600. Another Winter Storm Warning was issued for CAZ083 above 3000 feet at 29/1556, effective until 31/1000. The effective time of the warning was modified numerous time, but it finally expired at 31/0350 in all areas. The altitude affected by the warning was lowered to 2000 feet at 30/0318. Only one report meeting warning criteria was received from CAZ085, it appears the heavy snow was not widespread in that zone.
Heavy Snow, South Central Siskiyou County
- When
- December 29, 9:00 AM PST to December 30, 9:00 AM PST
- Where
- South Central Siskiyou County forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.593, -122.540 (the zone’s center; the record gives no point)
Spotter 1N Mount Shasta at 3600 feet recorded 13 inches of snow in 24 hours.
Heavy Snow, South Central Siskiyou County
- When
- December 29, 3:45 PM PST to December 30, 7:30 AM PST
- Where
- South Central Siskiyou County forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.593, -122.540 (the zone’s center; the record gives no point)
Spotter SY110 4NNW Mount Shasta at 3815 feet near Black Butte recorded 15 inches of snow.
Heavy Snow, South Central Siskiyou County
- When
- December 29, 5:00 PM PST to December 30, 5:00 AM PST
- Where
- South Central Siskiyou County forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.593, -122.540 (the zone’s center; the record gives no point)
Spotter 1N Mount Shasta recorded 21 inches of snow in 12 hours.
Heavy Snow, South Central Siskiyou County
- When
- December 29, 6:00 PM PST to December 30, 8:00 AM PST
- Where
- South Central Siskiyou County forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.593, -122.540 (the zone’s center; the record gives no point)
Spotter 6NW Mount Shasta at 3900 feet recorded 12 inches of snow in 14 hours.
Heavy Snow, Modoc County
- When
- December 29, 9:00 PM PST to December 30, 9:00 AM PST
- Where
- Modoc County forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.590, -120.725 (the zone’s center; the record gives no point)
Spotter 6NW Lookout at 4360 feet recorded 8 inches of snow in 12 hours. Highest gust of 54 mph was recorded at 29/2301 PST.
Heavy Snow, South Central Siskiyou County
- When
- December 29, 9:00 PM PST to December 30, 6:00 PM PST
- Where
- South Central Siskiyou County forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.593, -122.540 (the zone’s center; the record gives no point)
Spotter SY70 3S McCloud at 3000 feet recorded 10 inches of snow in 21 hours.
Heavy Snow, Central Siskiyou County
- When
- December 29, 10:00 PM PST to December 30, 8:00 AM PST
- Where
- Central Siskiyou County forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.593, -122.540 (the zone’s center; the record gives no point)
Spotter 10NE Gazelle at 2800 feet recorded 10 inches of snow in 10 hours.
Heavy Snow, South Central Siskiyou County
- When
- December 29, 11:00 PM PST to December 30, 11:00 PM PST
- Where
- South Central Siskiyou County forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.593, -122.540 (the zone’s center; the record gives no point)
Mt. Shasta City cooperative observer recorded 12 inches in 24 hours.
Heavy Snow, Central Siskiyou County
- When
- December 30, 12:00 AM PST to 9:00 AM PST
- Where
- Central Siskiyou County forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.593, -122.540 (the zone’s center; the record gives no point)
Spotter 4SSW Weed at 4100 feet recorded 8 inches of snow in 9 hours.
Heavy Snow, South Central Siskiyou County
- When
- December 30, 7:00 PM PST to December 31, 7:00 PM PST
- Where
- South Central Siskiyou County forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.593, -122.540 (the zone’s center; the record gives no point)
Spotter 3NW Mount Shasta at 3730 feet reported 7 inches of snow overnight.
Heavy Snow, Modoc County
- When
- December 30, 8:00 PM PST to December 31, 8:00 AM PST
- Where
- Modoc County forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.590, -120.725 (the zone’s center; the record gives no point)
Spotter 4NW Lookout at 4360 feet recorded 6 inches of snow overnight.
Heavy Snow, Central Siskiyou County
- When
- December 30, 9:00 PM PST to December 31, 9:00 AM PST
- Where
- Central Siskiyou County forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.593, -122.540 (the zone’s center; the record gives no point)
Spotter 4SSW Weed at 4100 feet recorded 6 inches of snow overnight.
- Heavy Snow
- Snowfall reaching the local warning threshold without the other hazards of a winter storm.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Damaging Wind in California, December 29, 2004$5.0 million · 50 kt wind · 1 event
- Flash Flood in California, December 29, 2004$100,000 · 1 event
- Heavy Snow in Montana, December 29 to 30, 2004$85,000 · 2 events
- Winter Storm in California, December 29, 2004$50,000 · 1 event
- Damaging Wind in California, December 29, 2004$50,000 · 56 kt wind · 1 event
- Damaging Wind in California, December 29, 2004$50,000 · 60 kt wind · 1 event
- Damaging Wind in California, December 29, 2004$50,000 · 56 kt wind · 1 event
- High Wind and Strong Wind in Arizona, December 29, 2004$40,000 · 56 kt wind · 4 events
- Flash Flood in California, December 29, 2004$40,000 · 1 event
- Damaging Wind in California, December 29, 2004$35,000 · 50 kt wind · 1 event
- Damaging Wind in California, December 29, 2004$30,000 · 52 kt wind · 1 event
- Winter Storm in Minnesota, December 29 to 31, 200418 events
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: 5429194, 5429195, 5429189, 5429190, 5429193, 5429196, 5429191, 5429188, 5429192, 5429197, 5429198, 5429199.