Thunderstorm Wind, Campbell
- When
- May 15, 1:08 PM MST
- Where
- Campbell County, 10 mi W of Wright
- Measured
- 61 kt (70 mph)
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 43.720, -105.670
Hail and Damaging Wind in Wyoming, May 15 to 21, 1999
7 hail, 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
- 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.
The radar
The Rapid City radar (KUDX), 232 km away, was scanning. The volume nearest the first event began at 20:05 UTC.
Event by event
7 hail, 1 thunderstorm wind. Local standard time, as filed.
Hail, Campbell
- When
- May 15, 1:15 PM MST
- Where
- Campbell County, 10 mi N of Wright
- Measured
- 1.75 in hail
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 43.870, -105.470
Hail, Crook
- When
- May 15, 2:15 PM MST
- Where
- Crook County, 5 mi S of Moorcroft
- Measured
- 1.75 in hail
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 44.200, -104.950
Hail, Crook
- When
- May 21, 2:45 PM MST
- Where
- Crook County, 12 mi E of Moorcroft
- Measured
- 1.75 in hail
- Reported by
- UNKNOWN
- Coordinates
- 44.270, -104.700
Hail, Crook
- When
- May 21, 3:20 PM MST
- Where
- Crook County, 5 mi SW of Sundance
- Measured
- 1 in hail
- Reported by
- UNKNOWN
- Coordinates
- 44.350, -104.450
Hail, Weston
- When
- May 21, 3:34 PM MST
- Where
- Weston County, 14 mi SW of Newcastle
- Measured
- 1.75 in hail
- Reported by
- UNKNOWN
- Coordinates
- 43.700, -104.420
Hail, Weston
- When
- May 21, 3:55 PM MST
- Where
- Weston County, Osage
- Measured
- 1 in hail
- Reported by
- UNKNOWN
- Coordinates
- 43.970, -104.400
Hail, Weston
- When
- May 21, 4:15 PM MST
- Where
- Weston County, Osage
- Measured
- 1 in hail
- Reported by
- UNKNOWN
- Coordinates
- 43.970, -104.400
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
- Hail in Nebraska, May 15, 1999
- Hail in Nebraska, May 15, 1999
- Tornado and Hail in Kansas, May 15, 1999
- Damaging Wind in Texas, May 15, 1999
- Flash Flooding and Hail in Texas, May 15, 1999
- Hail in Oklahoma, May 15, 1999
- Hail in Colorado, May 15, 1999
- Hail in Texas, May 15, 1999
- Cold in California, May 15 to 16, 1999
- Heavy Snow in Idaho, May 15, 1999
- Hail in Missouri, May 15, 1999
- Hail in Missouri, May 15, 1999
More
Every storm in Wyoming in 1999Every state in 1999This day in weather historyWarnings in Wyoming, May 1999
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: 5698672, 5698673, 5698674, 5698675, 5698676, 5698677, 5698678, 5698679.