Thunderstorm Wind, Union
- When
- May 29, 12:15 AM CST
- Where
- Union County
- Measured
- 55 kt (63 mph)
- Coordinates
- 42.680, -96.720
Tornado and Hail in South Dakota, May 29, 1991
7 hail, 3 thunderstorm wind, 1 tornado, 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
- 11
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
7 hail, 3 thunderstorm wind, 1 tornado. Local standard time, as filed.
Thunderstorm Wind, Union
- When
- May 29, 12:20 AM CST
- Where
- Union County
- Measured
- 65 kt (75 mph)
- Coordinates
- 42.520, -96.480
Thunderstorm Wind, Union
- When
- May 29, 12:30 AM CST
- Where
- Union County
- Measured
- 60 kt (69 mph)
- Coordinates
- 42.700, -96.670
Hail, Meade
- When
- May 29, 3:45 PM CST
- Where
- Meade County
- Measured
- 1.75 in hail
- Coordinates
- 44.400, -102.670
Hail, Meade
- When
- May 29, 4:20 PM CST
- Where
- Meade County
- Measured
- 1.75 in hail
- Coordinates
- 44.320, -102.520
Hail, Pennington
- When
- May 29, 5:00 PM CST
- Where
- Pennington County
- Measured
- 1 in hail
- Coordinates
- 44.030, -102.230
Hail, Haakon
- When
- May 29, 5:20 PM CST
- Where
- Haakon County
- Measured
- 2.75 in hail
- Coordinates
- 44.400, -101.670
Hail, Haakon
- When
- May 29, 6:25 PM CST
- Where
- Haakon County
- Measured
- 2.75 in hail
- Coordinates
- 44.330, -101.250
Hail, Stanley
- When
- May 29, 8:30 PM CST
- Where
- Stanley County
- Measured
- 2.75 in hail
- Coordinates
- 44.520, -100.370
Tornado, Jones
- When
- May 29, 9:20 PM CST
- Where
- Jones County
- Rating
- F0
- Path length
- 0.5 mi
- Path width
- 50 yd
- Coordinates
- 44.080, -100.530
Hail, Stanley
- When
- May 29, 9:20 PM CST
- Where
- Stanley County
- Measured
- 2.75 in hail
- Coordinates
- 44.370, -100.570
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.
- Tornado
- A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornado in Louisiana, May 29, 1991
- Tornadoes and Hail in Texas, May 29, 1991
- Tornadoes and Hail in Colorado, May 29, 1991
- Hail and Damaging Winds in Kansas, May 29, 1991
- Tornado and Damaging Winds in Iowa, May 29, 1991
- Hail and Damaging Winds in Wisconsin, May 29, 1991
- Tornadoes and Hail in Nebraska, May 29, 1991
- Hail and Damaging Winds in Michigan, May 29, 1991
- Hail and Damaging Winds in Pennsylvania, May 29, 1991
- Hail and Damaging Winds in Minnesota, May 29, 1991
- Hail and Damaging Winds in Oklahoma, May 29, 1991
- Hail in Montana, May 29, 1991
More
Every storm in South Dakota in 1991Every state in 1991This day in weather historyThe tornado archive for South Dakota, 1991Warnings in South Dakota, May 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: 10125086, 10125087, 10125088, 10125089, 10125090, 10125091, 10125092, 10125093, 10125094, 10125095, 10125096.