Thunderstorm Wind, Dewey
- When
- August 19, 7:00 PM CST
- Where
- Dewey County
- Measured
- 60 kt (69 mph)
- Coordinates
- 45.080, -100.820
Hail and Damaging Winds in South Dakota, August 19, 1991
3 thunderstorm wind, 3 hail, as filed by the National Weather Service.
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
- 6
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.
Event by event
3 thunderstorm wind, 3 hail. Local standard time, as filed.
Hail, Sully
- When
- August 19, 9:55 PM CST
- Where
- Sully County
- Measured
- 0.75 in hail
- Coordinates
- 44.770, -100.120
Thunderstorm Wind, Sully
- When
- August 19, 10:15 PM CST
- Where
- Sully County
- Measured
- 60 kt (69 mph)
- Coordinates
- 44.770, -100.120
Hail, Hughes
- When
- August 19, 10:20 PM CST
- Where
- Hughes County
- Measured
- 1.75 in hail
- Coordinates
- 44.470, -100.470
Thunderstorm Wind, Hughes
- When
- August 19, 10:37 PM CST
- Where
- Hughes County
- Measured
- 66 kt (76 mph)
- Coordinates
- 44.380, -100.280
Hail, Hughes
- When
- August 19, 10:46 PM CST
- Where
- Hughes County
- Measured
- 1 in hail
- Coordinates
- 44.530, -100.330
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 in New York, August 19, 1991
- Tornadoes and Damaging Wind in Indiana, August 19, 1991
- Damaging Winds in Pennsylvania, August 19, 1991
- Damaging Winds in Maryland, August 19, 1991
- Hail and Damaging Winds in Kentucky, August 19, 1991
- Tornado and Hail in Ohio, August 19, 1991
- Damaging Winds in Virginia, August 19, 1991
- Damaging Winds in Tennessee, August 19, 1991
- Tornado and Damaging Wind in Florida, August 19, 1991
- Hail in Colorado, August 19, 1991
- Damaging Wind in North Carolina, August 19, 1991
- Tornado in New Jersey, August 19, 1991
More
Every storm in South Dakota in 1991Every state in 1991This day in weather historyWarnings in South Dakota, August 1991
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: 10127357, 10127358, 10127359, 10127360, 10127361, 10127362.