A Winter Storm Warning was in effect for CAZ080/082/083 from 1600 PST on 12/6 until 0400 PST on 12/7. Initially the warning was for above 3500 feet but it was lowered to above 2000 feet at 1835 PST on 12/6.
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 MFR wrote it up.
A Winter Storm Warning was in effect for CAZ080/082/083 from 1600 PST on 12/6 until 0400 PST on 12/7. Initially the warning was for above 3500 feet but it was lowered to above 2000 feet at 1835 PST on 12/6. Only a snow advisory was in effect for CAZ081 from 1600 PST on 12/6 until 0400 PST on 12/7. Initially it was issued for elevations above 3500 feet, but it was lowered to 2500 feet at 1835 PST on 12/6.
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 Medford, OR wrote its last area forecast discussion before the first event at Dec 6, 9:00 AM PST, 2 hours 31 minutes earlier.
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</html>HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MEDFORD OR 556 AM PST MON DEC 6 2004 CAZ084-085-ORZ029-030-071430- KLAMATH BASIN-MODOC COUNTY- NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES- NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY- 556 AM PST MON DEC 6 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN OREGON AND NORTHERN CALIFORNIA .DAY ONE...TODAY A WIND ADVISORY FROM 12 NOON THROUGH EARLY TUESDAY. SEE PDXNPWMFR FOR FURTHER INFORMATION. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A WIND ADVISORY ENDS AT 4 AM. SEE PDXNPWMFR FOR FURTHER INFORMATION. OTHERWISE NO HAZARDOUS WEATHER IS EXPECTED. ORZ021-022-071430- CURRY COUNTY COAST-SOUTH CENTRAL OREGON COAST- 556 AM PST MON DEC 6 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN OREGON .DAY ONE...TODAY A HIGH WIND WARNING CONTINUES FOR THE HEADLANDS UNTIL 10 AM. SEE PDXNPWMFR FOR FURTHER INFORMATION. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY HIGH WINDS ARE POSSIBLE WEDNESDAY AND THURSDAY. OTHERWISE NO HAZARDOUS WEATHER IS EXPECTED. CAZ081-071430- CENTRAL SISKIYOU COUNTY- 556 AM PST MON DEC 6 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CALIFORNIA .DAY ONE...TODAY HIGH WIND WARNING FROM 12 NOON UNTIL EARLY TUESDAY. SEE PDXNPWMFR FOR FURTHER INFORMATION. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY HIGH WIND WARNING ENDS AT 4 AM TUESDAY. SEE PDXNPWMFR FOR FURTHER INFORMATION. OTHERWISE NO HAZARDOUS WEATHER IS EXPECTED. CAZ080-082-083-071430- NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY- SOUTH CENTRAL SISKIYOU COUNTY-WESTERN SISKIYOU COUNTY- 556 AM PST MON DEC 6 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CALIFORNIA .DAY ONE...TODAY A WINTER STORM WARNING FOR ABOVE 3500 FEET FROM 12 NOON UNTIL EARLY TUESDAY. SEE PDXWSWMFR FOR FURTHER INFORMATION. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A WINTER STORM WARNING FOR ABOVE 3500 FEET ENDS AT 4 AM TUESDAY. SEE PDXWSWMFR FOR FURTHER INFORMATION. STRONG WINDS AND HEAVY SNOW ARE POSSIBLE TUESDAY AND WEDNESDAY. OTHERWISE NO HAZARDOUS WEATHER IS EXPECTED. ORZ031-071430- CENTRAL AND EASTERN LAKE COUNTY- 556 AM PST MON DEC 6 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN OREGON .DAY ONE...TODAY A HIGH WIND WARNING FOR NEAR SUMMER LAKE FROM 12 NOON UNTIL EARLY TUESDAY. SEE PDXNPWMFR FOR FURTHER INFORMATION. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A HIGH WIND WARNING ENDS AT 4 AM TUESDAY. SEE PDXNPWMFR FOR FURTHER INFORMATION. OTHERWISE NO HAZARDOUS WEATHER IS EXPECTED. ORZ027-028-071430- SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES- SOUTH CENTRAL OREGON CASCADES- 556 AM PST MON DEC 6 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN OREGON .DAY ONE...TODAY A SNOW ADVISORY FOR ABOVE 3500 FEET FROM 4 PM TODAY UNTIL EARLY TUESDAY. SEE PDXWSWMFR FOR FURTHER INFORMATION. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY STRONG WINDS AND HEAVY SNOW ARE POSSIBLE WEDNESDAY AND THURSDAY. OTHERWISE NO HAZARDOUS WEATHER IS EXPECTED. GERIG
The national radar mosaic for the moment the first event began.
7 heavy snow. Local standard time, as filed.
Mount Shasta City recorded 18 inches of snow in 24 hours.
A spotter 3NW of Mount Shasta reported 7.5 inches of snow between 0900 and 1730 PST.
The same spotter 3NW of Mount Shasta recorded10.5 additional inches of snow between 1830 and midnight PST.
A spotter 8 E Gazelle reported 16 inches of snow overnight at 2800 feet.
A spotter north of Mt. Shasta reported 18 inches of snow between 1200 and 2300 PST on 12/6.
Happy Camp recorded 8 inches of snow in the previous 24 hours.
A spotter 4 SSW of Weed reported 18 inches of snow between 1400 and 2400 PST on 12/6.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2004Every state in 2004This day in weather historyWarnings in California, December 2004
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: 5430804, 5430798, 5430799, 5430800, 5430801, 5430803, 5430802.