Thunderstorm Wind, Butte
- When
- April 21, 1:15 AM MST
- Where
- Butte County, Hoover
- Measured
- 52 kt (60 mph) estimated gust
- Reported by
- COOP Observer
- Coordinates
- 45.120, -103.270
Hail and Damaging Wind in South Dakota, April 21, 2007
Isolated strong to severe thunderstorms developed across western South Dakota during the overnight hours.
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
- 2
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 UNR wrote it up.
Isolated strong to severe thunderstorms developed across western South Dakota during the overnight hours.
The radar
The Rapid City radar (KUDX), 116 km away, was scanning. The volume nearest the first event began at 08:13 UTC.
Event by event
1 thunderstorm wind, 1 hail. Local standard time, as filed.
Hail, Perkins
- When
- April 21, 2:08 AM MST
- Where
- Perkins County, 11 mi SE of Zeona
- Measured
- 0.88 in hail
- Reported by
- Trained Spotter
- Coordinates
- 45.088, -102.771
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
- Tornadoes and Hail in Texas, April 21, 2007
- Tornadoes and Hail in Texas, April 21, 2007
- Flash Flooding and Debris Flows in Puerto Rico, April 21 to 23, 2007
- Tornadoes and Hail in South Dakota, April 21, 2007
- Hail and Damaging Winds in Oklahoma, April 21, 2007
- Tornado and Hail in Colorado, April 21, 2007
- Hail in Nebraska, April 21, 2007
- Flash Flooding and Hail in South Dakota, April 21 to 22, 2007
- Hail in Minnesota, April 21, 2007
- Hail in Colorado, April 21, 2007
- Heavy Snow in California, April 21 to 22, 2007
- Tornadoes and Hail in Colorado, April 21, 2007
More
Every storm in South Dakota in 2007Every state in 2007This day in weather historyWarnings in South Dakota, April 2007
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 2026-10-01. Each event’s entry at NCEI: 17473, 17475.