Iowa, 1978

Tornado and Hail in Iowa, June 15, 1978

June 15, 1978 · NWS NG · 5 events in 4 counties and zones

2 hail, 2 thunderstorm wind, 1 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
0
Property damage
None recorded
Crop damage
None recorded
Events
5

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

2 hail, 2 thunderstorm wind, 1 tornado. Local standard time, as filed.

Hail, Kossuth

When
June 15, 12:00 AM CST
Where
Kossuth County
Measured
1.75 in hail
Coordinates
43.280, -94.030

Tornado, Wright

When
June 15, 12:01 AM CST
Where
Wright County
Path length
0.5 mi
Path width
10 yd
Coordinates
42.670, -93.870

Hail, Wright

When
June 15, 12:53 AM CST
Where
Wright County
Measured
0.75 in hail
Coordinates
42.850, -93.600

Thunderstorm Wind, Hancock

When
June 15, 12:53 AM CST
Where
Hancock County
Coordinates
43.100, -93.950

Thunderstorm Wind, Cerro Gordo

When
June 15, 1:28 AM CST
Where
Cerro Gordo County
Coordinates
42.950, -93.380

What these are

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.
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.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Iowa in 1978Every state in 1978This day in weather historyThe tornado archive for Iowa, 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: 10012686, 10012687, 10012688, 10012689, 10012690.