Hail, Cass
- When
- August 15, 1:12 PM CST
- Where
- Cass County
- Measured
- 1.75 in hail
- Coordinates
- 47.380, -94.620
Tornadoes and Hail in Minnesota, August 15, 1987
11 thunderstorm wind, 2 hail, 2 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
- 1
- Injuries
- 8
- Property damage
- $2.5 million
- Crop damage
- None recorded
- Events
- 15
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 thunderstorm wind, 2 hail, 2 tornado. Local standard time, as filed.
Thunderstorm Wind, Cass
- When
- August 15, 2:25 PM CST
- Where
- Cass County
- Coordinates
- 47.370, -94.220
Hail, Otter Tail
- When
- August 15, 4:25 PM CST
- Where
- Otter Tail County
- Measured
- 1.75 in hail
- Coordinates
- 46.550, -95.870
Tornado, Otter Tail
- When
- August 15, 5:58 PM CST
- Where
- Otter Tail County
- Rating
- F0
- Path length
- 0.5 mi
- Path width
- 20 yd
- Coordinates
- 46.170, -95.900
Tornado, Otter Tail
- When
- August 15, 6:23 PM CST
- Where
- Otter Tail County
- Rating
- F2
- Path length
- 1 mi
- Path width
- 50 yd
- Deaths
- 1 direct, 0 indirect
- Injuries
- 8 direct, 0 indirect
- Property damage
- $2.5 million
- Coordinates
- 46.050, -95.730
Thunderstorm Wind, Itasca
- When
- August 15, 6:30 PM CST
- Where
- Itasca County
- Measured
- 52 kt (60 mph)
- Coordinates
- 47.330, -93.800
Thunderstorm Wind, Otter Tail
- When
- August 15, 6:45 PM CST
- Where
- Otter Tail County
- Coordinates
- 46.170, -95.320
Thunderstorm Wind, Douglas
- When
- August 15, 6:50 PM CST
- Where
- Douglas County
- Coordinates
- 46.080, -95.170
Thunderstorm Wind, Wadena
- When
- August 15, 6:50 PM CST
- Where
- Wadena County
- Measured
- 59 kt (68 mph)
- Coordinates
- 46.450, -95.130
Thunderstorm Wind, Todd
- When
- August 15, 7:15 PM CST
- Where
- Todd County
- Measured
- 52 kt (60 mph)
- Coordinates
- 46.170, -95.030
Thunderstorm Wind, Stearns
- When
- August 15, 7:25 PM CST
- Where
- Stearns County
- Measured
- 52 kt (60 mph)
- Coordinates
- 45.500, -95.120
Thunderstorm Wind, Itasca
- When
- August 15, 8:00 PM CST
- Where
- Itasca County
- Coordinates
- 47.370, -93.700
Thunderstorm Wind, Kandiyohi
- When
- August 15, 8:14 PM CST
- Where
- Kandiyohi County
- Coordinates
- 45.230, -94.950
Thunderstorm Wind, Morrison
- When
- August 15, 8:15 PM CST
- Where
- Morrison County
- Coordinates
- 45.980, -94.100
Thunderstorm Wind, Waseca
- When
- August 15, 11:25 PM CST
- Where
- Waseca County
- Measured
- 74 kt (85 mph)
- Coordinates
- 44.080, -93.500
The people who died
As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.
| Event | Date | Age | Sex | Where | Kind |
|---|---|---|---|---|---|
| Tornado, Otter Tail | 1987-08-15 | Direct |
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 South Dakota, 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 Minnesota in 1987Every state in 1987This day in weather historyThe tornado archive for Minnesota, 1987Warnings in Minnesota, 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: 10048996, 10048997, 10048998, 10048999, 10049000, 10049001, 10049002, 10049003, 10049004, 10049005, 10049006, 10049007, 10049008, 10049009, 10049010.