Hail and Damaging Winds in Montana, July 28, 2008

Name: Hail and Damaging Winds in Montana, July 28, 2008
Start: 2008-07-28T01:15
End: 2008-07-28T04:11
Location: Montana

July 28, 2008 · NWS GGW · 8 events in 3 counties and zones

A fast-moving shortwave trough encountered a strong nocturnal low level jet resulting in the development of an intense squall line.

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

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The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 8

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 GGW wrote it up.

A fast-moving shortwave trough encountered a strong nocturnal low level jet resulting in the development of an intense squall line.

The radar

The Glasgow radar (KGGW), 116 km away, was scanning. The volume nearest the first event began at 08:15 UTC.

Open the radar archive at this moment

Event by event

5 thunderstorm wind, 3 hail. Local standard time, as filed.

Hail, Garfield

When: July 28, 1:15 AM MST
Where: Garfield County, 25 mi WNW of Brusett
Measured: 1 in hail
Reported by: Trained Spotter
Coordinates: 47.489, -107.744

Thunderstorm Wind, Garfield

When: July 28, 1:15 AM MST
Where: Garfield County, 25 mi WNW of Brusett
Measured: 52 kt (60 mph) estimated gust
Reported by: Trained Spotter
Coordinates: 47.489, -107.744

Hail, Roosevelt

When: July 28, 2:10 AM MST
Where: Roosevelt County, 17 mi N of Wolf Pt
Measured: 0.75 in hail
Reported by: Public
Coordinates: 48.346, -105.650

Hail, Roosevelt

When: July 28, 2:15 AM MST
Where: Roosevelt County, 15 mi N of Poplar
Measured: 1 in hail
Reported by: Public
Coordinates: 48.317, -105.200

Thunderstorm Wind, Roosevelt

When: July 28, 3:04 AM MST to 3:14 AM MST
Where: Roosevelt County, Wolf Pt Intl Airport(Kolf)
Measured: 59 kt (68 mph) measured gust
Reported by: ASOS
Coordinates: 48.100, -105.570

This report was taken from the Wolf Point airport.

Thunderstorm Wind, Richland

When: July 28, 4:05 AM MST
Where: Richland County, 6 mi W of Sioux Pass Dot
Measured: 52 kt (60 mph) estimated gust
Reported by: Trained Spotter
Coordinates: 47.930, -104.460

Thunderstorm Wind, Roosevelt

When: July 28, 4:10 AM MST
Where: Roosevelt County, 6 mi WSW of Bainville
Measured: 52 kt (60 mph) estimated gust
Reported by: Public
Coordinates: 48.097, -104.340

Thunderstorm Wind, Richland

When: July 28, 4:11 AM MST
Where: Richland County, Sioux Pass Dot
Measured: 52 kt (60 mph) measured gust
Reported by: Mesonet
Coordinates: 47.930, -104.330

This report was taken from the Sioux Pass DOT site.

What these are

Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
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 2008 Every state in 2008 This day in weather history Warnings in Montana, July 2008

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: 111741, 111744, 111742, 111743, 111746, 111747, 111748, 111749.