High Wind, North Rocky Mountain Front
- When
- December 13, 10:00 AM MST
- Where
- North Rocky Mountain Front forecast zone
- Measured
- 52 kt (60 mph)
- Reported by
- NWS EMPLOYEE(OFF DUTY)
Reported by WFO Great Falls electronics technician working in Heart Butte.
1 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 13, 9:15 AM MST, 45 minutes earlier.
SOUTHWEST AND NORTH CENTRAL MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREAT FALLS MT
915 AM MST THU DEC 13 2001
...WILL UPDATE ZONES AND STATE FORECAST...
.SHORT TERM...COPIOUS MID LEVEL MOISTURE IS STREAMING OVER THE PAC
NW AND INTO WRN MT ATTM. MODELS CONSISTENT IN SHOWING AT LEAST TWO
TENTHS QPF OVER THE ROCKY MOUNTAINS...AND HAVE EXTENDED THE WINTER
WEATHER ADVISORY THROUGH 4PM FOR THIS AREA. HIGH WIND WARNING WILL
BE ALLOWED TO CONTINUE...ALTHOUGH MAY NEED TO RE-EVALUATE THIS BY
EARLY AFTERNOON. WITH STRONG SURFACE LOW COMING ONSHORE BC...
DOWNSLOPE GRADS MAY RELAX ENOUGH FOR WINDS TO DROP BELOW CRITERIA
EARLIER THAN EXPECTED. OTHERWISE...FORECAST LOOKS ON TRACK. MPJ
.EXTENDED...PROGRESSIVE PATTERN CONTINUES THROUGH EXTENDED PERIOD
WITH RIDGE OVER CWA SUNDAY AND MONDAY...ANOTHER PACIFIC TROUGH
SWEEPING THROUGH TUESDAY...THEN BACK TO A RIDGE ON WEDNESDAY. ENERGY
WITH TROUGH AGAIN SHEARED CONSIDERABLY AS IT MOVES INLAND AND
EXPECT SOME SNOW OVER THE MOUNTAINS BUT LITTLE ELSEWHERE. CURRENT
PACKAGE HAS SITUATION IN HAND SO PLAN FEW CHANGES.
.CCF NUMBERS
GTF NN 045/032 042/020 025 03111
BJNEE 015/035 018/033 018/030 018/030 018 21111111111
CTB NN 040/028 035/014 022 03111
BJNEE 009/030 015/032 010/028 010/028 010 21111111111
HLN EE 040/025 041/015 020 03322
BJEEE 010/032 018/034 016/032 016/032 016 21111111122
BZN EJ 036/018 034/014 020 03223
MJEEE 005/032 008/034 004/032 004/032 004 32111111122
WEY JJ 025/010 025/003 020 03846
BJEEE 905/022 000/025 908/025 908/025 908 52222222222
DLN JJ 035/018 033/010 018 03434
BEEEE 005/034 009/035 005/035 005/035 005 21222222211
HVR NE 041/016 043/013 030 03112
BJNEE 006/032 010/034 005/034 005/034 005 11111111111
LWT NN 042/028 043/014 027 03212
BJNEE 007/030 015/033 012/033 012/033 012 21111111111
.TFX...HIGH WIND WARNING FOR NORTHERN FRONT RANGE AND NORTHERN
ADJACENT PLAINS TODAY...MT ZONE 009...010 AND 048.
WINTER WEATHER ADVISORY EXTENDED UNTIL 4PM FOR ROCKY
MOUNTAIN FRONT ABOVE 5000 FEET.1 high wind. Local standard time, as filed.
Reported by WFO Great Falls electronics technician working in Heart Butte.
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: 5275217.