Thunderstorm Wind, Lyman
- When
- July 17, 5:15 PM CST
- Where
- Lyman County, 7.05 mi W of Iona
- Measured
- 52 kt (60 mph) estimated gust
- Reported by
- Public
- Coordinates
- 43.530, -99.571
Sixty mph winds blew many shingles off a roof.
Damaging Wind in South Dakota, July 17, 2007
An isolated thunderstorm produced strong winds west of Iona in central South Dakota.
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
- 1
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 ABR wrote it up.
An isolated thunderstorm produced strong winds west of Iona in central South Dakota.
The radar
The North Platte radar (KLNX), 193 km away, was scanning. The volume nearest the first event began at 23:16 UTC.
Event by event
1 thunderstorm wind. Local standard time, as filed.
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.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Heat in Nevada, July 17, 2007
- Flash Flooding and Hail in Wisconsin, July 17 to 18, 2007
- Flash Flood in Iowa, July 17 to 18, 2007
- Flash Flood and Damaging Winds in Iowa, July 17 to 18, 2007
- Damaging Winds in Ohio, July 17, 2007
- Damaging Winds in Iowa, July 17, 2007
- Damaging Wind and Lightning Strike in Louisiana, July 17, 2007
- Flash Flooding and Flood in Illinois, July 17 to 18, 2007
- Damaging Winds in West Virginia, July 17, 2007
- Damaging Winds in Missouri, July 17, 2007
- Damaging Winds in Montana, July 17, 2007
- Hail and Damaging Winds in Pennsylvania, July 17, 2007
More
Every storm in South Dakota in 2007Every state in 2007This day in weather historyWarnings in South Dakota, July 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 2026-09-30. Each event’s entry at NCEI: 52235.