Thunderstorm Wind, Big Horn
- When
- July 3, 3:25 PM MST
- Where
- Big Horn County, 2.97 mi WNW of Hardin
- Measured
- 55 kt (63 mph) measured gust
- Reported by
- AWOS
- Coordinates
- 45.740, -107.660
Hail and Damaging Winds in Montana, July 3, 2020
An upper low over the Pacific Northwest provided a southwest flow aloft across the Billings Forecast Area. A disturbance within the flow resulted in an unstable atmosphere.
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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 4
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 BYZ wrote it up.
An upper low over the Pacific Northwest provided a southwest flow aloft across the Billings Forecast Area. A disturbance within the flow resulted in an unstable atmosphere. As a result, a few strong to severe thunderstorms developed across the south central and southeast portions of the state.
The radar
The Billings radar (KBLX), 74 km away, was scanning. The volume nearest the first event began at 22:26 UTC.
Event by event
3 thunderstorm wind, 1 hail. Local standard time, as filed.
Thunderstorm Wind, Rosebud
- When
- July 3, 4:33 PM MST
- Where
- Rosebud County, 1.42 mi W of Ingomar
- Measured
- 51 kt (59 mph) measured gust
- Reported by
- Department of Highways
- Coordinates
- 46.580, -107.400
A wind gust of 59 mph was recorded 1 mile west of Ingomar.
Hail, Powder River
- When
- July 3, 4:45 PM MST
- Where
- Powder River County, 10.47 mi N of Biddle
- Measured
- 1 in hail
- Reported by
- Trained Spotter
- Coordinates
- 45.250, -105.320
Thunderstorm Wind, Fallon
- When
- July 3, 6:38 PM MST
- Where
- Fallon County, 1.46 mi SSW of Baker Arpt
- Measured
- 52 kt (60 mph) measured gust
- Reported by
- ASOS
- Coordinates
- 46.350, -104.260
A wind gust of 60 mph was reported at the Baker airport.
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.
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Heat in Arizona, July 3 to 8, 2020
- Rip Current in North Carolina, July 3, 2020
- Wildfire in Arizona, July 3 to 25, 2020
- Flash Flooding and Hail in Minnesota, July 3 to 4, 2020
- Debris Flow in Idaho, July 3 to 10, 2020
- Damaging Winds and Lightning Strikes in New Jersey, July 3, 2020
- Coastal Flood and Dense Fog in California, July 3 to 6, 2020
- Flash Flood and Flood in Connecticut, July 3, 2020
- Hail and Damaging Winds in Montana, July 3 to 7, 2020
- Hail and Damaging Wind in Missouri, July 3, 2020
- Damaging Winds in Pennsylvania, July 3, 2020
- Heat in Texas, July 3, 2020
More
Every storm in Montana in 2020Every state in 2020This day in weather historyWarnings in Montana, July 2020
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: 891369, 894250, 891368, 894251.