Michigan, 1978

Tornadoes and Hail in Michigan, August 19, 1978

August 19, 1978 · NWS S · 11 events in 8 counties and zones

7 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

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The toll

Deaths
0
Injuries
8
Property damage
$275,000
Crop damage
None recorded
Events
11

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, 2 hail, 2 tornado. Local standard time, as filed.

Thunderstorm Wind, Kent

When
August 19, 1:25 AM CST
Where
Kent County
Measured
50 kt (58 mph)
Coordinates
42.850, -85.700

Thunderstorm Wind, Kent

When
August 19, 1:35 AM CST
Where
Kent County
Coordinates
42.930, -85.330

Thunderstorm Wind, Ionia

When
August 19, 1:50 AM CST
Where
Ionia County
Coordinates
42.930, -85.230

Thunderstorm Wind, Calhoun

When
August 19, 2:55 AM CST
Where
Calhoun County
Coordinates
42.320, -85.180

Thunderstorm Wind, Kent

When
August 19, 3:23 AM CST
Where
Kent County
Measured
50 kt (58 mph)
Coordinates
42.850, -85.700

Hail, Houghton

When
August 19, 3:30 AM CST
Where
Houghton County
Measured
1.75 in hail
Coordinates
47.100, -88.580

Tornado, Shiawassee

When
August 19, 3:40 AM CST
Where
Shiawassee County
Rating
F2
Path length
2 mi
Path width
230 yd
Injuries
8 direct, 0 indirect
Property damage
$250,000
Coordinates
42.830, -84.250

Thunderstorm Wind, Genesee

When
August 19, 4:10 AM CST
Where
Genesee County
Measured
61 kt (70 mph)
Coordinates
42.970, -83.750

Hail, Osceola

When
August 19, 8:30 AM CST
Where
Osceola County
Measured
0.75 in hail
Coordinates
43.880, -88.250

Tornado, St. Clair

When
August 19, 1:15 PM CST
Where
St. Clair County
Path length
0.5 mi
Path width
100 yd
Property damage
$25,000
Coordinates
42.670, -82.620

Thunderstorm Wind, St. Clair

When
August 19, 2:00 PM CST
Where
St. Clair County
Coordinates
42.620, -82.530

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

More

Every storm in Michigan in 1978Every state in 1978This day in weather historyThe tornado archive for Michigan, 1978

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: 10038756, 10038757, 10038758, 10038759, 10038760, 10038761, 10038762, 10038763, 10038764, 10038765, 10038766.