2 heavy snow, as filed by the National Weather Service.
Every event with a place to put it; 2 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 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 Reno, NV wrote its last area forecast discussion before the first event at Dec 1, 3:25 AM PST, 2 hours 5 minutes earlier.
WESTERN NEVADA AND EASTERN CALIFORNIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
325 AM PST SAT DEC 1 2001
...CORRECTED TO ADD WIND ADVISORY CAZ072-NVZ002 TODAY...
OVERRUNNING PRECIPITATION ACROSS NORTHERN CA AND NORTHWEST NV THIS
MORNING AHEAD OF A STRONG COLD FRONT OFF THE OREGON AND CA COASTS.
A SNOW ADVISORY IS IN EFFECT FOR THE SIERRA AND NORTHEAST CA ZONES
FOR TODAY. LATEST MODELS SHOW STRONG SOUTHERLY FLOW OVER MOST OF
THE CWA AND WILL ISSUE WIND ADVISORY TODAY TO COVER THIS. THE FLOW
SHOULD BECOME EVEN STRONGER SUNDAY AS THE COLD FRONT APPROACHES AND
THE JETSTREAM MOVES OVER THE AREA. WILL BEEF UP WINDS IN THE WINTER
STORM WATCH AREAS WHICH INCLUDE LASSEN COUNTY THROUGH MONO COUNTY
FOR SUNDAY...AND ISSUE HIGH WIND WATCH FOR WESTERN NV VALLEYS EXCEPT
ZONE 4 FOR SUNDAY. GREATEST QPF IS ALONG WEST SLOPES OF SIERRA
SUNDAY BUT CERTAINLY ENOUGH DYNAMICS TO BRING HEAVY SNOW TO THE EAST
SLOPES OF THE SIERRA. HEAVY SNOW FROM LASSEN COUNTY SOUTHWARD MOVES
TO LAKE TAHOE THROUGH MONO COUNTY BY LATE AFTERNOON AND WILL
PROBABLY CONTINUE OVERNIGHT IN ZONES 2/72/73. WILL EXTEND WINTER
STORM WATCH THROUGH SUNDAY NIGHT THOSE ZONES. SNOW LEVELS IN
WESTERN NV VALLEYS WILL LOWER TO AROUND 5000 FEET SUNDAY THEN FALL
TO VALLEY FLOORS SUNDAY NIGHT AND MONDAY.
EXTENDED PERIOD
FORECASTS BASED MAINLY ON THE MRF. A TROUGH MOVES IN FROM THE NW ON
TUESDAY. AIRMASS WILL ALREADY BE COLD FROM THE PREVIOUS TROUGH AND
WILL COOL FURTHER AT THE TROUGH MOVES IN. SNOW IS POSSIBLE TO THE
LOWEST VALLEY FLOORS. SOME SNOW SHOWERS ARE POSSIBLE EARLY
WEDNESDAY THEN SOME OVERRUNNING DEVELOPS LATE IN THE DAY. AIRMASS
WARMS THURSDAY AND FRIDAY. MRF DRIES US OUT WITH A FLAT RIDGE HERE
ON FRIDAY.
.REV...SNOW ADVISORY NVZ002-CAZ072- AND CAZ071 ABOVE 5000 FEET
TODAY
WIND ADVISORY CAZ071-CAZ072-CAZ073-NVZ002-NVZ003-NVZ005
TODAY
WINTER STORM WATCH CAZ071 SUNDAY
WINTER STORM WATCH NVZ002-CAZ072-CAZ073 SUNDAY AND SUNDAY
NIGHT
HIGH WIND WATCH NVZ001-NVZ003-NVZ005-CAZ070 SUNDAY.The national radar mosaic for the moment the first event began.
2 heavy snow. Local standard time, as filed.
Several ski areas reported heavy snow. Kirkwood Ski area reported 24 inches of snow in 24 hours at 7800 feet. Boreal Ski area reported 12-18 inches of snow in 24 hours at 8200 feet.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2001Every state in 2001This day in weather historyWarnings in California, December 2001
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: 5275643, 5275644.