Hail, Pennington
- When
- July 11, 4:25 PM MST
- Where
- Pennington County, 5 mi WNW of Creighton
- Measured
- 1.75 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 44.283, -102.300
Hail and Damaging Winds in South Dakota, July 11, 2004
Supercell thunderstorms developed rapidly over eastern Pennington County and moved into Haakon County. These storms produced hail to the size of golf balls as they moved over northeastern Pennington County and into western parts of Haakon County.
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
- $103,000
- Crop damage
- $1,000
- Events
- 12
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.
Supercell thunderstorms developed rapidly over eastern Pennington County and moved into Haakon County. These storms produced hail to the size of golf balls as they moved over northeastern Pennington County and into western parts of Haakon County. As the storms began to weaken, outflow winds up to 70 mph damaged buildings in the Billsburg area.
The radar
The Rapid City radar (KUDX), 46 km away, was scanning. The volume nearest the first event began at 23:26 UTC.
Event by event
8 hail, 4 thunderstorm wind. Local standard time, as filed.
Hail, Pennington
- When
- July 11, 4:30 PM MST to 4:50 PM MST
- Where
- Pennington County, 2 mi SE of Creighton
- Measured
- 1 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 44.233, -102.167
Hail, Haakon
- When
- July 11, 4:40 PM MST
- Where
- Haakon County, 10 mi NW of Philip
- Measured
- 1.5 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 44.133, -101.817
Hail, Haakon
- When
- July 11, 5:00 PM MST
- Where
- Haakon County, 16 mi NW of Philip
- Measured
- 1.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 44.200, -101.900
Hail, Haakon
- When
- July 11, 5:00 PM MST
- Where
- Haakon County, 11 mi NW of Philip
- Measured
- 1.75 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 44.150, -101.817
Hail, Pennington
- When
- July 11, 5:02 PM MST to 5:20 PM MST
- Where
- Pennington County, 10 mi SE of Creighton
- Measured
- 1 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 44.150, -102.050
Hail, Haakon
- When
- July 11, 5:05 PM MST
- Where
- Haakon County, 11 mi NW of Philip
- Measured
- 1 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 44.150, -101.817
Thunderstorm Wind, Haakon
- When
- July 11, 5:30 PM MST
- Where
- Haakon County, 15 mi N of Philip
- Measured
- 61 kt (70 mph) estimated gust
- Property damage
- $50,000
- Reported by
- GENERAL PUBLIC
- Coordinates
- 44.250, -101.667
Part of barn roof was torn off.
Hail, Haakon
- When
- July 11, 5:35 PM MST to 5:45 PM MST
- Where
- Haakon County, 5 mi S of Billsburg
- Measured
- 1 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 44.333, -101.667
Thunderstorm Wind, Haakon
- When
- July 11, 5:35 PM MST
- Where
- Haakon County, 5 mi S of Billsburg
- Measured
- 52 kt (60 mph) estimated gust
- Reported by
- GENERAL PUBLIC
- Coordinates
- 44.333, -101.667
Thunderstorm Wind, Haakon
- When
- July 11, 5:45 PM MST
- Where
- Haakon County, 1 mi S of Billsburg
- Measured
- 61 kt (70 mph) estimated gust
- Property damage
- $3,000
- Crop damage
- $1,000
- Reported by
- GENERAL PUBLIC
- Coordinates
- 44.383, -101.667
Siding torn off a building and several hay bales were destroyed.
Thunderstorm Wind, Haakon
- When
- July 11, 6:00 PM MST
- Where
- Haakon County, 10 mi S of Billsburg
- Measured
- 61 kt (70 mph) estimated gust
- Property damage
- $50,000
- Reported by
- GENERAL PUBLIC
- Coordinates
- 44.250, -101.667
Winds tore the roof off a 40x60 ft pole barn, damaged a shop building, and blew over road signs.
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
- Lightning Strike in Florida, July 11, 2004
- Flash Flooding and Hail in Montana, July 11, 2004
- Damaging Wind in North Dakota, July 11, 2004
- Damaging Wind in North Dakota, July 11, 2004
- Hail and Damaging Winds in South Carolina, July 11 to 12, 2004
- Lightning Strike in North Carolina, July 11, 2004
- Flash Flood and Hail in Iowa, July 11, 2004
- Wildfire in California, July 11 to 17, 2004
- Lightning Strike in Florida, July 11, 2004
- Damaging Wind in South Carolina, July 11, 2004
- Wildfire in California, July 11 to 13, 2004
- Tornado in Florida, July 11, 2004
More
Every storm in South Dakota in 2004Every state in 2004This day in weather historyWarnings in South Dakota, July 2004
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: 5412362, 5412363, 5412364, 5412365, 5412366, 5412368, 5412367, 5412439, 5412440, 5412441, 5412442, 5412443.