Hail, Kent
- When
- August 17, 11:16 AM CST
- Where
- Kent County
- Measured
- 0.75 in hail
- Coordinates
- 42.930, -85.330
Tornadoes and Hail in Michigan, August 17, 1991
5 thunderstorm wind, 4 tornado, 3 hail, 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
- $3,000
- Crop damage
- None recorded
- Events
- 12
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 thunderstorm wind, 4 tornado, 3 hail. Local standard time, as filed.
Hail, Bay
- When
- August 17, 1:00 PM CST
- Where
- Bay County
- Measured
- 0.75 in hail
- Coordinates
- 43.600, -83.880
Thunderstorm Wind, Washtenaw
- When
- August 17, 1:30 PM CST
- Where
- Washtenaw County
- Coordinates
- 42.320, -84.020
Thunderstorm Wind, Genesee
- When
- August 17, 1:45 PM CST
- Where
- Genesee County
- Coordinates
- 43.180, -83.720
Hail, Lapeer
- When
- August 17, 2:25 PM CST
- Where
- Lapeer County
- Measured
- 1.75 in hail
- Coordinates
- 43.230, -83.200
Thunderstorm Wind, Lapeer
- When
- August 17, 3:15 PM CST
- Where
- Lapeer County
- Coordinates
- 43.000, -83.030
Tornado, Saginaw
- When
- August 17, 5:00 PM EST
- Where
- Saginaw County
- Rating
- F0
- Path length
- 5 mi
- Path width
- 13 yd
- Coordinates
- 43.180, -84.070
Tornado, Shiawassee
- When
- August 17, 5:15 PM EST
- Where
- Shiawassee County
- Rating
- F0
- Path length
- 6 mi
- Path width
- 13 yd
- Coordinates
- 43.080, -84.070
Tornado, Shiawassee
- When
- August 17, 5:15 PM EST
- Where
- Shiawassee County
- Rating
- F1
- Path length
- 0.5 mi
- Path width
- 20 yd
- Property damage
- $3,000
- Coordinates
- 43.130, -83.970
Tornado, Shiawassee
- When
- August 17, 5:25 PM EST
- Where
- Shiawassee County
- Rating
- F0
- Path length
- 1 mi
- Path width
- 20 yd
- Coordinates
- 43.100, -83.950
Thunderstorm Wind, Genesee
- When
- August 17, 5:45 PM CST
- Where
- Genesee County
- Coordinates
- 43.180, -83.870
Thunderstorm Wind, Genesee
- When
- August 17, 6:35 PM CST
- Where
- Genesee County
- Coordinates
- 43.030, -83.920
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
More
Every storm in Michigan in 1991Every state in 1991This day in weather historyThe tornado archive for Michigan, 1991Warnings in Michigan, August 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: 10053601, 10053602, 10053603, 10053604, 10053605, 10053606, 10053607, 10053608, 10053609, 10053610, 10053611, 10053612.