Damaging Wind in Montana, September 29, 2002

Name: Damaging Wind in Montana, September 29, 2002
Start: 2002-09-29T17:27
End: 2002-09-29T17:27
Location: Montana

September 29, 2002 · NWS TFX · 1 event in 1 county or zone

1 thunderstorm wind, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 1

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.

What forecasters said that day

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 Sep 29, 2:00 PM MST, 3 hours 27 minutes earlier.

Area forecast discussion, Sep 29, 2:00 PM MST, 3 hours 27 minutes before

SOUTHWEST AND NORTH CENTRAL MONTANA FORECAST DISCUSSION.
NATIONAL WEATHER SERVICE GREAT FALLS MT
300 PM MDT SUN SEP 29 2002

.SHORT TERM...FIRST SHORT WAVE SEEMS TO BE MOVING THROUGH THE
NW CORNER OF THE CWA AS CUT BANKS WINDS SWITCHED TO THE NORTHWEST
WITH SOME RAIN. CURRENT MODELS CONTINUE TO KEEP ENOUGH MOISTURE WITH
SYSTEM FOR TONIGHT FOR TWO TO FOUR INCHES OF SNOW FOR NW ZONES ABOVE
5000 FEET. WILL GO WITH A WINTER WEATHER ADVISORY FOR ZONES 9 AND 48.
MAIN ACTIVITY CONTINUES TO BE MONDAY AND MONDAY NIGHT WHEN SECOND
COLD SYSTEM COMES DOWN LOWERING THE TEMPERATURES. EXPECT CLOUDS TO
MOVE OUT TUESDAY NIGHT FOR ANOTHER COLD NIGHT. SURFACE HIGH OVER THE
AREA ON WEDNESDAY FOR DRY AND SLIGHTLY WARMER CONDITIONS. CAMP

.EXTENDED...MEDIUM RANGE MODELS IN FAIR AGREEMENT AT LEAST THROUGH
THE FIRST COUPLE DAYS OF THE EXTENDED FORECAST. AN UPPER TROF MOVES
OVER THE AREA THURSDAY THOUGH DYNAMICS NOT THAT IMPRESSIVE. STRONG
SURFACE HIGH PRESSURE SLIDES SOUTH OUT OF CANADA FRIDAY SETTING UP
GOOD UPSLOPE GRADIENT AND A CHANCE FOR RAIN AND SNOW. COLD MORNING
SATURDAY BUT TEMPERATURES MODERATE AS AN UPPER TROF NOSES INTO THE
NORTHWEST CWA AND DOWNSLOPE SURFACE GRADIENT DEVELOPS. FAIRLY DRY
NORTHWEST FLOW ALOFT RETURNS OVER THE AREA SUNDAY.

.CCF NUMBERS
GTF CE 040/049 033/048 030 07323
    EEEBB 050/034 056/031 045/028 056/030 058 31122341111
CTB CE 033/043 027/046 025 07443
    EEEBB 047/030 053/026 042/023 053/025 055 21122341111
HLN CE 039/050 032/048 029 07322
    BEEMB 052/029 062/031 054/028 062/030 064 21122342211
BZN CE 039/050 028/046 022 07322
    BEEMB 050/025 057/027 050/024 057/026 059 21122342211
WEY CE 030/044 022/040 018 07422
    BEEMB 042/017 050/023 039/020 050/022 052 21122342211
DLN CE 035/048 026/045 023 07422
    BEEMB 050/026 055/027 051/024 055/026 057 21122342211
HVR CB 040/049 030/050 027 07333
    EEEBB 053/029 057/028 046/025 057/027 059 21122341111
LWT CE 040/048 031/044 025 07323
    BEEBB 048/031 056/029 044/025 056/028 058 31122341111

.TFX...WINTER WEATHER ADVISORY FOR SNOW ABOVE 5000 FEET LATE TONIGHT
       THROUGH MONDAY FOR MT ZONES 9 AND 48.

The radar

The Missoula radar (KMSX), 227 km away, was scanning. The volume nearest the first event began at 00:24 UTC.

Open the radar archive at this moment

Event by event

1 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Beaverhead

When: September 29, 5:27 PM MST
Where: Beaverhead County, Dillon
Measured: 61 kt (70 mph)
Reported by: AWOS,ASOS,MESONET,ETC
Coordinates: 45.217, -112.650

A severe thunderstorm produced a 70 mph wind gust in Dillon.

What these are

Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Montana in 2002 Every state in 2002 This day in weather history Warnings in Montana, September 2002

Sources

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: 5315866.