Thunderstorm Wind, Montcalm
- When
- August 30, 1:00 AM CST
- Where
- Montcalm County
- Coordinates
- 43.300, -85.220
Tornadoes and Hail in Michigan, August 30, 1984
7 thunderstorm wind, 4 tornado, 2 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
- 4
- Property damage
- $3.0 million
- Crop damage
- None recorded
- Events
- 13
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
7 thunderstorm wind, 4 tornado, 2 hail. Local standard time, as filed.
Hail, Ottawa
- When
- August 30, 1:20 AM CST
- Where
- Ottawa County
- Measured
- 1 in hail
- Coordinates
- 43.070, -86.230
Thunderstorm Wind, Ottawa
- When
- August 30, 1:35 AM CST
- Where
- Ottawa County
- Coordinates
- 42.970, -85.970
Thunderstorm Wind, Kent
- When
- August 30, 1:55 AM CST
- Where
- Kent County
- Measured
- 53 kt (61 mph)
- Coordinates
- 42.880, -85.520
Hail, Ottawa
- When
- August 30, 2:00 AM CST
- Where
- Ottawa County
- Measured
- 1 in hail
- Coordinates
- 43.070, -86.230
Thunderstorm Wind, Muskegon
- When
- August 30, 2:00 AM CST
- Where
- Muskegon County
- Coordinates
- 43.270, -86.180
Thunderstorm Wind, Montcalm
- When
- August 30, 2:00 AM CST
- Where
- Montcalm County
- Coordinates
- 43.300, -85.080
Tornado, Clinton
- When
- August 30, 2:48 AM CST
- Where
- Clinton County
- Rating
- F2
- Path length
- 2.5 mi
- Path width
- 27 yd
- Property damage
- $250,000
- Coordinates
- 43.070, -84.530
Tornado, Shiawassee
- When
- August 30, 3:10 AM CST
- Where
- Shiawassee County
- Rating
- F1
- Path length
- 0.5 mi
- Path width
- 50 yd
- Property damage
- $3,000
- Coordinates
- 43.070, -84.170
Tornado, Genesee
- When
- August 30, 3:20 AM CST
- Where
- Genesee County
- Rating
- F0
- Path length
- 2 mi
- Path width
- 150 yd
- Property damage
- $250,000
- Coordinates
- 43.030, -83.650
Thunderstorm Wind, Calhoun
- When
- August 30, 3:20 AM CST
- Where
- Calhoun County
- Coordinates
- 42.270, -84.950
Thunderstorm Wind, Tuscola
- When
- August 30, 3:30 AM CST
- Where
- Tuscola County
- Coordinates
- 43.370, -83.580
Tornado, Wayne
- When
- August 30, 4:40 AM CST
- Where
- Wayne County
- Rating
- F2
- Path length
- 5.6 mi
- Path width
- 150 yd
- Injuries
- 4 direct, 0 indirect
- Property damage
- $2.5 million
- Coordinates
- 43.380, -83.350
What these are
- 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.
- 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.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornado and Hail in Texas, August 30, 1984
- Damaging Winds in New York, August 30, 1984
- Damaging Winds in Pennsylvania, August 30, 1984
- Hail and Damaging Winds in Louisiana, August 30, 1984
- Hail and Damaging Winds in Ohio, August 30, 1984
- Hail and Damaging Winds in West Virginia, August 30, 1984
- Hail and Damaging Winds in North Carolina, August 30, 1984
- Damaging Winds in Arkansas, August 30, 1984
- Hail and Damaging Wind in Virginia, August 30, 1984
- Damaging Wind in Oklahoma, August 30, 1984
- Damaging Wind in Idaho, August 30, 1984
- Damaging Wind in Massachusetts, August 30, 1984
More
Every storm in Michigan in 1984Every state in 1984This day in weather historyThe tornado archive for Michigan, 1984
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: 10042024, 10042235, 10042236, 10042237, 10042238, 10042239, 10042240, 10042241, 10042242, 10042243, 10042244, 10042245, 10042246.