Name: Damaging Wind in Montana, July 12, 2006
Start: 2006-07-12T15:19
End: 2006-07-12T15:19
Location: Montana

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 happened

The episode as NWS TFX wrote it up.

A severe thunderstorm produced an estimated wind gust to 59 mph just north of Bozeman.

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 Jul 12, 1:45 PM MST, 1 hour 34 minutes earlier.

Area forecast discussion, Jul 12, 1:45 PM MST, 1 hour 34 minutes before

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Hazardous weather outlook, Jul 12, 4:02 AM MST, 11 hours 17 minutes before

HAZARDOUS WEATHER OUTLOOK...RESEND
NATIONAL WEATHER SERVICE GREAT FALLS MT
502 AM MDT WED JUL 12 2006

MTZ008-014-015-052-053-055-131200-
BEAVERHEAD-CENTRAL AND SOUTHERN LEWIS AND CLARK-MADISON-JEFFERSON-
BROADWATER-GALLATIN-
500 AM MDT WED JUL 12 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
MONTANA.

.DAY ONE...TODAY AND TONIGHT

AN UPPER LEVEL DISTURBANCE AND COLD FRONT WILL MOVE TO THE
NORTHERN ROCKIES THIS AFTERNOON AND ACROSS CENTRAL MONTANA THIS
EVENING. SCATTERED THUNDERSTORMS WILL DEVELOP OVER CENTRAL AND
SOUTHWEST MONTANA AHEAD OF THE COLD FRONT THIS AFTERNOON. A FEW OF
THE STORMS MAY BECOME SEVERE WITH STRONG WIND GUSTS AND SMALL
HAIL BEING THE PRIMARY THREATS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

WIDESPREAD HAZARDOUS WEATHER IS NOT ANTICIPATED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MTZ009>013-044>051-054-131200-
NORTHERN ROCKY MOUNTAIN FRONT-EASTERN GLACIER-HILL-CASCADE-
CHOUTEAU-TOOLE-LIBERTY-EASTERN PONDERA-BLAINE-
SOUTHERN ROCKY MOUNTAIN FRONT-EASTERN TETON-JUDITH BASIN-FERGUS-
MEAGHER-
500 AM MDT WED JUL 12 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MONTANA...NORTH CENTRAL MONTANA AND SOUTHWEST MONTANA.

.DAY ONE...TODAY AND TONIGHT

AN UPPER LEVEL DISTURBANCE AND COLD FRONT WILL MOVE TO THE
NORTHERN ROCKIES THIS AFTERNOON AND ACROSS CENTRAL MONTANA THIS
EVENING. SCATTERED THUNDERSTORMS WILL DEVELOP OVER CENTRAL MONTANA
AHEAD OF THE COLD FRONT THIS AFTERNOON AND CONTINUE THROUGH EARLY
THIS EVENING. A FEW OF THE STORMS MAY BECOME SEVERE WITH STRONG
WIND GUSTS AND SMALL HAIL BEING THE PRIMARY THREATS.

A RED FLAG WARNING HAS BEEN ISSUED FOR EASTERN PORTIONS OF
NORTHCENTRAL MONTANA THIS AFTERNOON AND EVENING...DUE TO GUSTY
WINDS EXPECTED WITH THUNDERSTORM ACTIVITY IN COMBINATION WITH
CONTINUED VERY WARM AND DRY CONDITIONS AND A COLD FRONTAL PASSAGE.
PLEASE REFER TO THE LATEST FIRE WEATHER STATEMENTS FOR FURTHER
DETAILS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A FIRE WEATHER WATCH REMAINS IN EFFECT FOR MUCH OF NORTHCENTRAL
MONTANA THURSDAY DUE TO EXPECTED WINDY CONDITIONS IN COMBINATION
WITH LOW RELATIVE HUMIDITY. PLEASE REFER TO THE LATEST FIRE
WEATHER STATEMENTS FOR FURTHER DETAILS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

HOENISCH

The radar

The Billings radar (KBLX), 189 km away, was scanning. The volume nearest the first event began at 22:21 UTC.

Open the radar archive at this moment

Event by event

1 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Gallatin

When: July 12, 3:19 PM MST
Where: Gallatin County, Bozeman
Measured: 51 kt (59 mph) estimated gust
Reported by: TRAINED SPOTTER
Coordinates: 45.683, -111.033

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

More

Every storm in Montana in 2006 Every state in 2006 This day in weather history Warnings in Montana, July 2006

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: 5521498.