2 high wind, as filed by the National Weather Service.
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 Great Falls, MT wrote its last area forecast discussion before the first event at Dec 1, 3:00 PM MST, 0 minutes earlier.
SOUTHWEST AND NORTH CENTRAL MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREAT FALLS MT
300 PM MST SAT DEC 1 2001
.SHORT TERM...MODELS FAIRLY CLOSE WITH SHORT TERM DETAILS. WEAK
UPPER RIDGE SHIFTS EAST TONIGHT AS SERIES OF SHORT WAVES MOVE ACROSS
SOUTHERN CANADA. DEEP SURFACE LOW PRESSURE DEVELOPS OVER ALBERTA
TONIGHT. POSITION OF LOW DIFFERS WITH AVN PLACING LOW CENTER
FURTHER NORTH THAN ETA. REGARDLESS TIGHT SURFACE GRADIENTS DEVELOP
TONIGHT FOR STRONG DOWNSLOPE WINDS. WILL UPGRADE HIGH WIND WATCH TO
A WARNING BUT WILL DROP ZONES 12 AND 49 FROM THE WARNING AREA. BOTH
AVN AND ETA CONTINUE TO INDICATE H7 WINDS OF 60 KTS BY EARLY SUNDAY
MORNING. GRADIENTS RELAX BY SUNDAY AFTERNOON RESULTING IN
DECREASING WINDS. MODELS NOW IN BETTER AGREEMENT WITH SURFACE TROF
DEVELOPING ACROSS SOUTHERN MONTANA SUNDAY NIGHT. ETA QPF VALUES
HAVE DROPPED FROM PREVIOUS RUN BUT OMEGA AND UPSLOPE SURFACE PATTERN
DICTATES SCATTERED POPS ACROSS THE AREA. EMANUEL
.EXTENDED...MODELS SHOW ENOUGH DIFFERENCES BETWEEN EACH OTHER TO
RAISE QUESTIONS ABOUT CONFIDENCE. MAIN DIFFERENCE IS THE PAIR OF
WEAKER TROFS THE ECMWF AND UKMET DEVELOP BY WED...RESULTING IN A
BROAD AREA OF TROFINESS...WHILE THE MRF DEVELOPS A SHARPER TROF.
TODAYS RUN OF THE MRF MATCHES BETTER WITH ECMWF TODAY...BUT
DIFFERS FROM ITS LAST RUN. SO...STILL HAVE A LOW CONFIDENCE
FORECAST...AND WILL BROAD-BRUSH THE LAST TWO DAYS. TEMPS START WED
OUT COOL BUT WEAK RIDGING AND DOWNSLOPE WINDS WILL ALLOW SOME
RECOVERY THRU SAT. MOST PRECIP THRU THE PERIOD WILL BE OVER THE
WESTERN MOUNTAINS AND SOUTHWEST MONTANA. THIS IS NOT A STRONG PRECIP
PATTERN AND DOWNSLOPE SHOULD HOLD OFF MOST PRECIP NORTH AND CENTRAL
ZONES. ZELZER
.CCF NUMBERS
GTF NJ 032/042 022/034 015 08013
EENEE 030/012 029/017 038/021 042/029 041 31112221111
CTB NJ 024/040 012/028 008 08013
EENEE 026/010 025/013 035/019 039/019 036 31112221111
HLN EJ 025/040 018/035 014 08124
EENEE 028/010 027/013 036/020 040/022 037 32212332222
BZN EJ 024/038 016/033 010 08124
EEEJJ 026/008 026/011 034/018 038/020 038 32212332222
WEY JJ 018/030 012/025 006 08335
JEJJJ 020/008 020/010 029/014 032/019 031 42212333333
DLN EJ 022/035 020/032 014 08223
EEEJJ 026/008 026/011 034/018 038/020 038 31112332222
HVR NE 018/038 012/028 008 08012
EENEE 026/006 026/010 035/021 034/029 041 21112221111
LWT NJ 028/038 022/034 014 08013
EENEE 030/012 029/016 037/020 040/028 040 31112221111
.TFX...HIGH WIND WARNING LATE TONIGHT INTO SUNDAY MORNING FOR ROCKY
MOUNTAIN FRONT AND ADJACENT ZONES.2 high wind. Local standard time, as filed.
Reported at Browning HANDAR automated reporting site (along border between zones 9 (Northern Rocky Mountain Front) and 10 (Eastern Glacier County) in Glacier County).
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Montana in 2001Every state in 2001This day in weather historyWarnings in Montana, 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: 5275281, 5275282.