Hail, Brown
- When
- August 15, 2:00 PM CST
- Where
- Brown County
- Measured
- 4.5 in hail
- Coordinates
- 45.320, -98.500
Tornadoes and Hail in South Dakota, August 15, 1987
12 hail, 5 thunderstorm wind, 3 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
- 20
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
12 hail, 5 thunderstorm wind, 3 tornado. Local standard time, as filed.
Hail, Gregory
- When
- August 15, 2:00 PM CST
- Where
- Gregory County
- Measured
- 0.75 in hail
- Coordinates
- 43.180, -99.300
Tornado, Spink
- When
- August 15, 2:20 PM CST
- Where
- Spink County
- Rating
- F1
- Path length
- 3 mi
- Path width
- 50 yd
- Coordinates
- 45.230, -98.570
Tornado, Spink
- When
- August 15, 2:22 PM CST
- Where
- Spink County
- Rating
- F0
- Path length
- 1 mi
- Path width
- 10 yd
- Coordinates
- 45.170, -98.480
Tornado, Brown
- When
- August 15, 2:23 PM CST
- Where
- Brown County
- Rating
- F1
- Path length
- 2 mi
- Path width
- 50 yd
- Coordinates
- 45.280, -98.550
Thunderstorm Wind, Brown
- When
- August 15, 3:00 PM CST
- Where
- Brown County
- Measured
- 52 kt (60 mph)
- Coordinates
- 45.350, -98.320
Hail, Sully
- When
- August 15, 3:15 PM CST
- Where
- Sully County
- Measured
- 1.75 in hail
- Coordinates
- 44.650, -100.380
Hail, Day
- When
- August 15, 3:47 PM CST
- Where
- Day County
- Measured
- 0.75 in hail
- Coordinates
- 45.400, -97.920
Thunderstorm Wind, Clark
- When
- August 15, 5:00 PM CST
- Where
- Clark County
- Measured
- 70 kt (81 mph)
- Coordinates
- 45.130, -97.700
Hail, Charles Mix
- When
- August 15, 5:08 PM CST
- Where
- Charles Mix County
- Measured
- 2 in hail
- Coordinates
- 43.080, -98.300
Hail, Charles Mix
- When
- August 15, 5:30 PM CST
- Where
- Charles Mix County
- Measured
- 3 in hail
- Coordinates
- 43.080, -98.300
Hail, Hamlin
- When
- August 15, 5:30 PM CST
- Where
- Hamlin County
- Measured
- 0.75 in hail
- Coordinates
- 44.720, -97.350
Thunderstorm Wind, Codington
- When
- August 15, 5:37 PM CST
- Where
- Codington County
- Measured
- 53 kt (61 mph)
- Coordinates
- 44.900, -97.100
Hail, Bon Homme
- When
- August 15, 5:38 PM CST
- Where
- Bon Homme County
- Measured
- 0.75 in hail
- Coordinates
- 43.100, -98.020
Hail, Clark
- When
- August 15, 5:45 PM CST
- Where
- Clark County
- Measured
- 0.75 in hail
- Coordinates
- 44.630, -97.620
Hail, Bon Homme
- When
- August 15, 6:08 PM CST
- Where
- Bon Homme County
- Measured
- 0.75 in hail
- Coordinates
- 43.000, -98.070
Hail, Kingsbury
- When
- August 15, 6:30 PM CST
- Where
- Kingsbury County
- Measured
- 1.75 in hail
- Coordinates
- 44.350, -97.280
Thunderstorm Wind, Bon Homme
- When
- August 15, 7:10 PM CST
- Where
- Bon Homme County
- Measured
- 52 kt (60 mph)
- Coordinates
- 43.150, -97.730
Hail, McCook
- When
- August 15, 7:50 PM CST
- Where
- McCook County
- Measured
- 1.75 in hail
- Coordinates
- 43.600, -97.300
Thunderstorm Wind, Minnehaha
- When
- August 15, 8:20 PM CST
- Where
- Minnehaha County
- Measured
- 52 kt (60 mph)
- Coordinates
- 43.480, -96.730
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
- Tornadoes and Hail in Minnesota, August 15, 1987
- Tornado and Damaging Winds in Texas, August 15, 1987
- Hail in Utah, August 15, 1987
- Tornado and Hail in North Dakota, August 15, 1987
- Hail in Wyoming, August 15, 1987
- Hail and Damaging Wind in Kansas, August 15, 1987
- Hail in Nebraska, August 15, 1987
- Damaging Wind in Wisconsin, August 15, 1987
More
Every storm in South Dakota in 1987Every state in 1987This day in weather historyThe tornado archive for South Dakota, 1987Warnings in South Dakota, August 1987
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: 10123560, 10123775, 10123776, 10123777, 10123778, 10123779, 10123780, 10123781, 10123782, 10123783, 10123784, 10123785, 10123786, 10123787, 10123788, 10123789, 10123790, 10123791, 10123792, 10123793.