Thunderstorm Wind, Walworth
- When
- August 3, 9:20 PM CST
- Where
- Walworth County, Mobridge
- Measured
- 78 kt (90 mph)
- Coordinates
- 45.530, -100.430
Damaging Wind in South Dakota, August 3, 1996
Winds to 90 mph uprooted and damaged many trees in Mobridge. Several power lines and poles were downed from trees falling onto them resulting in several hours of power outages.
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.
Winds to 90 mph uprooted and damaged many trees in Mobridge. Several power lines and poles were downed from trees falling onto them resulting in several hours of power outages. The roofs of two buildings were blown off while other roofs received some damage. Windows were broken out of eight vehicles at the South Dakota Department of Transportation from gravel blown from a stockpile.
The radar
The Bismarck radar (KBIS), 140 km away, was scanning. The volume nearest the first event began at 03:19 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
- Flash Flood in South Carolina, August 3, 1996
- Lightning Strike in New York, August 3, 1996
- Tornado in North Dakota, August 3, 1996
- Flash Flood in Nebraska, August 3 to 4, 1996
- Flash Flood in North Carolina, August 3, 1996
- Damaging Wind in North Dakota, August 3, 1996
- Lightning Strike in North Carolina, August 3, 1996
- Damaging Wind in Colorado, August 3, 1996
- Lightning Strike in North Dakota, August 3, 1996
- Lightning Strike in Mississippi, August 3, 1996
- Damaging Wind in North Carolina, August 3, 1996
- Lightning Strike in Colorado, August 3, 1996
More
Every storm in South Dakota in 1996Every state in 1996This day in weather historyWarnings in South Dakota, August 1996
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: 5563728.