Hail, Potter
- When
- August 6, 4:00 PM CST
- Where
- Potter County
- Measured
- 1.75 in hail
- Coordinates
- 45.150, -100.150
Tornado and Hail in South Dakota, August 6, 1986
11 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $250
- Crop damage
- None recorded
- Events
- 17
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
11 hail, 5 thunderstorm wind, 1 tornado. Local standard time, as filed.
Thunderstorm Wind, Potter
- When
- August 6, 4:00 PM CST
- Where
- Potter County
- Coordinates
- 45.250, -99.800
Tornado, Walworth
- When
- August 6, 4:10 PM CST
- Where
- Walworth County
- Rating
- F1
- Path length
- 1.5 mi
- Path width
- 40 yd
- Property damage
- $250
- Coordinates
- 45.370, -100.070
Hail, Potter
- When
- August 6, 4:25 PM CST
- Where
- Potter County
- Measured
- 1.75 in hail
- Coordinates
- 45.200, -100.200
Hail, Stanley
- When
- August 6, 4:38 PM CST
- Where
- Stanley County
- Measured
- 1.75 in hail
- Coordinates
- 44.350, -100.370
Hail, Hughes
- When
- August 6, 4:40 PM CST
- Where
- Hughes County
- Measured
- 3.5 in hail
- Coordinates
- 44.370, -100.330
Hail, Hughes
- When
- August 6, 5:08 PM CST
- Where
- Hughes County
- Measured
- 1.75 in hail
- Coordinates
- 44.370, -100.330
Thunderstorm Wind, Lyman
- When
- August 6, 5:30 PM CST
- Where
- Lyman County
- Coordinates
- 43.900, -99.870
Hail, Tripp
- When
- August 6, 7:15 PM CST
- Where
- Tripp County
- Measured
- 4.5 in hail
- Coordinates
- 43.570, -99.870
Hail, Lyman
- When
- August 6, 7:19 PM CST
- Where
- Lyman County
- Measured
- 1.75 in hail
- Coordinates
- 43.950, -99.770
Hail, Tripp
- When
- August 6, 7:30 PM CST
- Where
- Tripp County
- Measured
- 4.5 in hail
- Coordinates
- 43.570, -99.870
Hail, Mellette
- When
- August 6, 7:30 PM CST
- Where
- Mellette County
- Measured
- 1.75 in hail
- Coordinates
- 43.570, -100.750
Hail, Lyman
- When
- August 6, 7:45 PM CST
- Where
- Lyman County
- Measured
- 2.5 in hail
- Coordinates
- 43.930, -99.600
Hail, Tripp
- When
- August 6, 7:50 PM CST
- Where
- Tripp County
- Measured
- 1 in hail
- Coordinates
- 43.430, -100.080
Thunderstorm Wind, Tripp
- When
- August 6, 7:50 PM CST
- Where
- Tripp County
- Coordinates
- 43.370, -99.870
Thunderstorm Wind, Tripp
- When
- August 6, 8:05 PM CST
- Where
- Tripp County
- Measured
- 70 kt (81 mph)
- Coordinates
- 43.370, -99.870
Thunderstorm Wind, Tripp
- When
- August 6, 8:10 PM CST
- Where
- Tripp County
- Coordinates
- 43.250, -99.720
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- 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.
- 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
- Tornadoes and Hail in Nebraska, August 6, 1986
- Tornado and Hail in Virginia, August 6, 1986
- Hail and Damaging Winds in Oklahoma, August 6, 1986
- Hail and Damaging Winds in Pennsylvania, August 6, 1986
- Hail and Damaging Winds in North Carolina, August 6, 1986
- Damaging Winds in Georgia, August 6, 1986
- Hail and Damaging Winds in Ohio, August 6, 1986
- Damaging Winds in South Carolina, August 6, 1986
- Damaging Winds in Vermont, August 6, 1986
- Damaging Winds in Arkansas, August 6, 1986
- Damaging Winds in New York, August 6, 1986
- Hail in Kansas, August 6, 1986
More
Every storm in South Dakota in 1986Every state in 1986This day in weather historyThe tornado archive for South Dakota, 1986Warnings in South Dakota, August 1986
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: 10123744, 10123745, 10123746, 10123747, 10123748, 10123749, 10123750, 10123751, 10123752, 10123753, 10123754, 10124605, 10124606, 10124607, 10124608, 10124609, 10124610.