South Dakota, 1991

Tornado and Hail in South Dakota, September 8, 1991

September 8, 1991 · NWS ABR · 11 events in 5 counties and zones

5 hail, 5 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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$30
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

5 hail, 5 thunderstorm wind, 1 tornado. Local standard time, as filed.

Hail, Brown

When
September 8, 3:20 PM CST
Where
Brown County
Measured
0.75 in hail
Coordinates
45.920, -98.630

Tornado, McPherson

When
September 8, 3:30 PM CST
Where
McPherson County
Rating
F1
Path length
0.5 mi
Path width
33 yd
Property damage
$30
Coordinates
45.820, -98.820

Thunderstorm Wind, Brown

When
September 8, 3:40 PM CST
Where
Brown County
Measured
52 kt (60 mph)
Coordinates
45.750, -98.630

Thunderstorm Wind, Haakon

When
September 8, 3:53 PM CST
Where
Haakon County
Measured
50 kt (58 mph)
Coordinates
44.050, -101.600

Hail, Brown

When
September 8, 5:05 PM CST
Where
Brown County
Measured
1 in hail
Coordinates
45.770, -98.220

Hail, Faulk

When
September 8, 5:20 PM CST
Where
Faulk County
Measured
0.75 in hail
Coordinates
45.030, -99.070

Thunderstorm Wind, Brown

When
September 8, 6:40 PM CST
Where
Brown County
Measured
61 kt (70 mph)
Coordinates
45.450, -98.100

Thunderstorm Wind, Spink

When
September 8, 6:40 PM CST
Where
Spink County
Measured
52 kt (60 mph)
Coordinates
45.150, -98.500

Hail, Spink

When
September 8, 7:50 PM CST
Where
Spink County
Measured
0.75 in hail
Coordinates
44.870, -98.520

Hail, Brown

When
September 8, 7:50 PM CST
Where
Brown County
Measured
0.75 in hail
Coordinates
45.270, -98.250

Thunderstorm Wind, Spink

When
September 8, 8:01 PM CST
Where
Spink County
Measured
52 kt (60 mph)
Coordinates
45.150, -98.500

What these are

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.
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

More

Every storm in South Dakota in 1991Every state in 1991This day in weather historyThe tornado archive for South Dakota, 1991Warnings in South Dakota, September 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: 10127364, 10127365, 10127366, 10127367, 10127368, 10127369, 10127370, 10127371, 10123755, 10127372, 10123756.