Hail, Carroll
- When
- June 12, 4:55 PM CST
- Where
- Carroll County
- Measured
- 1.5 in hail
- Coordinates
- 41.870, -94.680
Tornadoes and Hail in Iowa, June 12, 1976
7 tornado, 2 hail, 2 thunderstorm wind, 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
- 2
- Property damage
- $125,000
- 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 tornado, 2 hail, 2 thunderstorm wind. Local standard time, as filed.
Tornado, Madison
- When
- June 12, 5:45 PM CST
- Where
- Madison County
- Rating
- F1
- Path length
- 3 mi
- Path width
- 100 yd
- Property damage
- $25,000
- Coordinates
- 41.470, -93.930
Tornado, Dallas
- When
- June 12, 6:00 PM CST
- Where
- Dallas County
- Rating
- F1
- Path length
- 3.3 mi
- Path width
- 33 yd
- Property damage
- $25,000
- Coordinates
- 41.500, -93.870
Tornado, Polk
- When
- June 12, 6:15 PM CST
- Where
- Polk County
- Rating
- F1
- Path length
- 28.8 mi
- Path width
- 33 yd
- Property damage
- $25,000
- Coordinates
- 41.530, -93.800
Tornado, Story
- When
- June 12, 6:30 PM CST
- Where
- Story County
- Rating
- F1
- Path width
- 33 yd
- Property damage
- $25,000
- Coordinates
- 41.800, -93.370
Hail, Polk
- When
- June 12, 7:00 PM CST
- Where
- Polk County
- Measured
- 2.25 in hail
- Coordinates
- 41.600, -93.620
Thunderstorm Wind, Black Hawk
- When
- June 12, 7:12 PM CST
- Where
- Black Hawk County
- Measured
- 75 kt (86 mph)
- Coordinates
- 42.550, -92.400
Tornado, Madison
- When
- June 12, 7:15 PM CST
- Where
- Madison County
- Rating
- F1
- Path length
- 12.8 mi
- Path width
- 100 yd
- Property damage
- $30
- Coordinates
- 41.400, -94.030
Tornado, Warren
- When
- June 12, 7:30 PM CST
- Where
- Warren County
- Rating
- F1
- Path length
- 1.3 mi
- Path width
- 33 yd
- Property damage
- $30
- Coordinates
- 41.430, -93.780
Tornado, Black Hawk
- When
- June 12, 7:30 PM CST
- Where
- Black Hawk County
- Rating
- F2
- Path length
- 6.9 mi
- Path width
- 100 yd
- Injuries
- 2 direct, 0 indirect
- Property damage
- $25,000
- Coordinates
- 42.530, -92.220
Thunderstorm Wind, Fayette
- When
- June 12, 9:00 PM CST
- Where
- Fayette County
- Coordinates
- 42.850, -91.900
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
- Tornadoes and Hail in North Dakota, June 12, 1976
- Tornadoes and Hail in Wisconsin, June 12, 1976
- Tornado in Virginia, June 12, 1976
- Tornadoes and Hail in Minnesota, June 12, 1976
- Damaging Winds in Nebraska, June 12, 1976
- Hail and Damaging Winds in Michigan, June 12, 1976
- Damaging Winds in South Dakota, June 12, 1976
- Damaging Winds in Illinois, June 12, 1976
- Hail in Missouri, June 12, 1976
More
Every storm in Iowa in 1976Every state in 1976This day in weather historyThe tornado archive for Iowa, 1976
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: 10014912, 10014913, 10014914, 10014915, 10014916, 10014917, 10014918, 10014919, 10014920, 10014921, 10014922.