Heavy snow fell over Clearwater County for 48 hours with the following snowfall totals: Cool Creek 23 inches, Hemlocke Butte 16 inches, Elk Butte 19 inches, Pierce 8 inches and Headquarters 9 inches.
Every event with a place to put it; 1 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 MSO wrote it up.
Heavy snow fell over Clearwater County for 48 hours with the following snowfall totals: Cool Creek 23 inches, Hemlocke Butte 16 inches, Elk Butte 19 inches, Pierce 8 inches and Headquarters 9 inches.
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 Missoula, MT wrote its last area forecast discussion before the first event at Dec 3, 9:10 AM MST, 20 minutes earlier.
WESTERN MONTANA AND NORTH CENTRAL IDAHO FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MISSOULA MT
910 AM MST MON DEC 3 2001
.SHORT TERM...MAIN SURGE OF MOISTURE HAS MOVED WELL TO THE NORTHEAST
WITH A STRETCHED OUT UPPER TROUGH OVER THE CWA TODAY. A COOL AND
UNSTABLE AIR MASS REMAINS OVER THE REGION FOR ADDITIONAL SHOWERS
TODAY WITH ADDITIONAL ACCUMULATIONS IN THE MOUNTAINS. OROGRAPHICS
WILL HELP MOUNTAIN SNOW...AND MAY BE JUST ENOUGH TO SQUEEZE ADVISORY
CRITERIA AMOUNTS OUT BEFORE THE SNOW SHOWERS TAPER OFF THIS EVENING.
THUS...WILL CONTINUE THE ADVISORY FOR THE NORTHERN MONTANA AND IDAHO
CLEARWATER MOUNTAIN ZONES TODAY ABOVE 4000 FEET...BUT CANCEL MTZ006-
IDZ006-009. WILL REDUCE WESTERN MONTANA POPS TO SCATTERED CATEGORY
TODAY. NEXT SHORT-WAVE TROUGH AND SURGE OF MOISTURE TUESDAY...BUT
PRETTY FAST MOVING. MSJ
.MSO...WINTER WEATHER ADVISORY ABOVE 4000 FEET TODAY FOR
IDZ005-006-MTZ001-002-004-043.
...7-DAY SPOT TEMPS AND POPS...
LIB JJJ /036 021/032 022/033 2853545
SJEE 024/035 022/035 020/033 020/032 020/ 28465433343
FCA JJJ /035 020/031 021/032 2853545
SJEE 023/035 021/035 018/032 019/031 020/ 28554333343
POL JJJ /036 024/033 024/033 2853545
SJEE 025/036 023/036 023/034 022/033 022/ 28544333343
MSO JJJ /037 023/032 021/033 2853545
SJEE 023/036 022/036 021/034 021/033 020/ 28545332243
HMM JEJ /037 023/034 022/034 2842445
CEEE 023/037 023/036 022/034 023/034 021/ 28443332233
BTM EEE /033 007/027 012/030 2832233
CEEE 014/034 015/033 012/031 012/031 014/ 28343332233
ORO WJJ /044 031/040 031/040 2854556
OOEE 030/044 032/043 030/041 032/046 032/ 28555433443
GRV WJJ /041 028/038 028/038 2843446
OOEE 027/040 030/040 028/038 029/040 030/ 28555433443
SMN EEJ /034 012/030 015/031 2832334
CEEE 019/034 020/034 020/032 018/031 018/ 28332222233The national radar mosaic for the moment the first event began.
1 heavy snow. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2001Every state in 2001This day in weather historyWarnings in Idaho, 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: 5273782.