Hail, Niobrara
- When
- July 17, 1:00 AM CST
- Where
- Niobrara County
- Measured
- 2.75 in hail
- Coordinates
- 43.500, -104.700
Tornado and Hail in Wyoming, July 17, 1983
6 hail, 1 tornado, 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $25,000
- 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.
Event by event
6 hail, 1 tornado, 1 thunderstorm wind. Local standard time, as filed.
Tornado, Campbell
- When
- July 17, 1:30 AM CST
- Where
- Campbell County
- Rating
- F1
- Path length
- 1.5 mi
- Path width
- 70 yd
- Property damage
- $25,000
- Coordinates
- 43.720, -105.470
Hail, Campbell
- When
- July 17, 1:45 AM CST
- Where
- Campbell County
- Measured
- 2.75 in hail
- Coordinates
- 44.180, -105.580
Hail, Weston
- When
- July 17, 1:45 AM CST
- Where
- Weston County
- Measured
- 2.75 in hail
- Coordinates
- 43.800, -104.600
Hail, Goshen
- When
- July 17, 4:50 PM CST
- Where
- Goshen County
- Measured
- 3 in hail
- Coordinates
- 42.220, -104.520
Hail, Goshen
- When
- July 17, 5:00 PM CST
- Where
- Goshen County
- Measured
- 3 in hail
- Coordinates
- 42.220, -104.520
Hail, Niobrara
- When
- July 17, 7:00 PM CST
- Where
- Niobrara County
- Measured
- 2 in hail
- Coordinates
- 43.000, -104.500
Thunderstorm Wind, Niobrara
- When
- July 17, 7:00 PM CST
- Where
- Niobrara County
- Measured
- 52 kt (60 mph)
- Coordinates
- 43.000, -104.500
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- Tornado
- A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
- 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
- Tornadoes and Hail in North Dakota, July 17, 1983
- Hail and Damaging Winds in Ohio, July 17, 1983
- Damaging Winds in Nebraska, July 17, 1983
- Damaging Winds in Michigan, July 17, 1983
- Hail and Damaging Winds in Colorado, July 17, 1983
- Damaging Winds in Wisconsin, July 17, 1983
- Damaging Winds in South Dakota, July 17, 1983
- Damaging Winds in South Carolina, July 17, 1983
- Hail and Damaging Winds in Alabama, July 17, 1983
- Damaging Winds in Indiana, July 17, 1983
- Damaging Winds in Kentucky, July 17, 1983
- Hail in West Virginia, July 17, 1983
More
Every storm in Wyoming in 1983Every state in 1983This day in weather historyThe tornado archive for Wyoming, 1983
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: 10161907, 10161908, 10161909, 10161910, 10161911, 10161912, 10161913, 10161914.