Hail, Kalamazoo
- When
- June 20, 8:45 AM CST
- Where
- Kalamazoo County
- Measured
- 1.5 in hail
- Coordinates
- 42.200, -85.570
Tornadoes and Hail in Michigan, June 20, 1979
14 thunderstorm wind, 5 hail, 4 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
- $278,000
- Crop damage
- None recorded
- Events
- 23
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
14 thunderstorm wind, 5 hail, 4 tornado. Local standard time, as filed.
Hail, Antrim
- When
- June 20, 9:00 AM CST
- Where
- Antrim County
- Measured
- 1 in hail
- Coordinates
- 42.820, -86.120
Hail, St. Joseph
- When
- June 20, 9:00 AM CST
- Where
- St. Joseph County
- Measured
- 1 in hail
- Coordinates
- 41.920, -85.530
Thunderstorm Wind, Cass
- When
- June 20, 10:40 AM CST
- Where
- Cass County
- Coordinates
- 41.900, -85.800
Thunderstorm Wind, Montcalm
- When
- June 20, 10:45 AM CST
- Where
- Montcalm County
- Coordinates
- 43.400, -85.150
Thunderstorm Wind, Eaton
- When
- June 20, 11:15 AM CST
- Where
- Eaton County
- Coordinates
- 42.520, -84.670
Thunderstorm Wind, Saginaw
- When
- June 20, 11:45 AM CST
- Where
- Saginaw County
- Coordinates
- 43.370, -83.900
Tornado, Bay
- When
- June 20, 11:50 AM CST
- Where
- Bay County
- Rating
- F0
- Path length
- 0.8 mi
- Path width
- 27 yd
- Property damage
- $25,000
- Coordinates
- 43.750, -84.080
Thunderstorm Wind, Arenac
- When
- June 20, 12:45 PM CST
- Where
- Arenac County
- Coordinates
- 43.980, -83.970
Thunderstorm Wind, Arenac
- When
- June 20, 12:45 PM CST
- Where
- Arenac County
- Coordinates
- 43.980, -83.900
Hail, Oakland
- When
- June 20, 2:10 PM CST
- Where
- Oakland County
- Measured
- 1.75 in hail
- Coordinates
- 42.580, -83.180
Thunderstorm Wind, Wayne
- When
- June 20, 2:10 PM CST
- Where
- Wayne County
- Coordinates
- 42.380, -83.370
Thunderstorm Wind, Macomb
- When
- June 20, 2:10 PM CST
- Where
- Macomb County
- Coordinates
- 42.520, -83.000
Tornado, Iron
- When
- June 20, 3:20 PM CST
- Where
- Iron County
- Rating
- F0
- Path length
- 0.1 mi
- Path width
- 33 yd
- Property damage
- $3,000
- Coordinates
- 46.120, -88.500
Tornado, Marquette
- When
- June 20, 3:53 PM CST
- Where
- Marquette County
- Rating
- F0
- Path length
- 0.1 mi
- Path width
- 33 yd
- Coordinates
- 46.320, -88.080
Thunderstorm Wind, Marquette
- When
- June 20, 4:10 PM CST
- Where
- Marquette County
- Coordinates
- 46.300, -87.880
Thunderstorm Wind, Dickinson
- When
- June 20, 4:15 PM CST
- Where
- Dickinson County
- Coordinates
- 45.980, -87.700
Thunderstorm Wind, Lenawee
- When
- June 20, 4:25 PM CST
- Where
- Lenawee County
- Coordinates
- 41.730, -84.200
Tornado, Lenawee
- When
- June 20, 4:41 PM CST
- Where
- Lenawee County
- Rating
- F2
- Path length
- 0.6 mi
- Path width
- 27 yd
- Property damage
- $250,000
- Coordinates
- 41.730, -83.830
Hail, Oceana
- When
- June 20, 6:00 PM CST
- Where
- Oceana County
- Measured
- 1.75 in hail
- Coordinates
- 43.580, -86.220
Thunderstorm Wind, Oceana
- When
- June 20, 6:10 PM CST
- Where
- Oceana County
- Coordinates
- 43.580, -86.220
Thunderstorm Wind, Grand Traverse
- When
- June 20, 6:25 PM CST
- Where
- Grand Traverse County
- Coordinates
- 44.650, -85.750
Thunderstorm Wind, Grand Traverse
- When
- June 20, 6:30 PM CST
- Where
- Grand Traverse County
- Coordinates
- 44.580, -85.520
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 Wisconsin, June 20, 1979
- Tornado and Hail in Indiana, June 20, 1979
- Tornado in Iowa, June 20, 1979
- Hail and Damaging Winds in Oklahoma, June 20, 1979
- Hail and Damaging Winds in Ohio, June 20, 1979
- Hail and Damaging Wind in Illinois, June 20, 1979
- Hail and Damaging Winds in Kentucky, June 20, 1979
- Hail and Damaging Winds in Arkansas, June 20, 1979
- Damaging Wind in Tennessee, June 20, 1979
- Tornado in Florida, June 20, 1979
- Damaging Wind in Missouri, June 20, 1979
More
Every storm in Michigan in 1979Every state in 1979This day in weather historyThe tornado archive for Michigan, 1979
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: 10039575, 10039576, 10039577, 10039578, 10039579, 10039580, 10039581, 10039582, 10039583, 10039584, 10039585, 10039586, 10039587, 10039588, 10039589, 10039590, 10039591, 10039592, 10039593, 10039594, 10039595, 10039596, 10039597.