Thunderstorm Wind, Yankton
- When
- July 21, 7:30 PM CST
- Where
- Yankton County, Yankton
- Measured
- 61 kt (70 mph)
- Property damage
- $50,000
- Coordinates
- 42.870, -97.380
Damaging Wind in South Dakota, July 21, 1997
Thunderstorm winds caused tree and power line damage with resulting power outages of about two hours. The winds also destroyed a storage shed, blew the roof off another large storage shed, and caused minor structural damage to buildings.
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
- $50,000
- 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 FSD wrote it up.
Thunderstorm winds caused tree and power line damage with resulting power outages of about two hours. The winds also destroyed a storage shed, blew the roof off another large storage shed, and caused minor structural damage to buildings. Most of the damage occurred in the southeast part of the city of Yankton.
The radar
The national radar mosaic for the moment the first event began.
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 and Hail in Oklahoma, July 21, 1997
- Damaging Wind in Montana, July 21, 1997
- Lightning Strike in Wisconsin, July 21, 1997
- Flash Flooding in Alabama, July 21 to 22, 1997
- Damaging Winds and Lightning Strike in Virginia, July 21, 1997
- Flash Flooding and Hail in Oklahoma, July 21, 1997
- Lightning Strikes in Pennsylvania, July 21 to 22, 1997
- Lightning Strike in North Carolina, July 21, 1997
- Damaging Wind in New Mexico, July 21, 1997
- Damaging Wind in Tennessee, July 21, 1997
- Flash Flood in North Carolina, July 21, 1997
- Lightning Strike in Florida, July 21, 1997
More
Every storm in South Dakota in 1997Every state in 1997This day in weather historyWarnings in South Dakota, July 1997
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: 5612789.