Tornado and Hail in Iowa, April 23, 1976

Name: Tornado and Hail in Iowa, April 23, 1976
Start: 1976-04-23T10:00
End: 1976-04-23T19:20
Location: Iowa

April 23, 1976 · 7 events in 7 counties and zones

3 hail, 3 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: 7

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

3 hail, 3 thunderstorm wind, 1 tornado. Local standard time, as filed.

Hail, Louisa

When: April 23, 10:00 AM CST
Where: Louisa County
Measured: 1 in hail
Coordinates: 41.280, -91.370

Thunderstorm Wind, Wapello

When: April 23, 3:29 PM CST
Where: Wapello County
Measured: 50 kt (58 mph)
Coordinates: 41.100, -92.450

Hail, Dallas

When: April 23, 4:55 PM CST
Where: Dallas County
Measured: 0.75 in hail
Coordinates: 41.500, -94.130

Hail, Polk

When: April 23, 5:48 PM CST
Where: Polk County
Measured: 0.75 in hail
Coordinates: 41.530, -93.670

Thunderstorm Wind, Clarke

When: April 23, 5:56 PM CST
Where: Clarke County
Coordinates: 41.020, -93.600

Thunderstorm Wind, Warren

When: April 23, 6:01 PM CST
Where: Warren County
Coordinates: 41.370, -93.570

Tornado, Marion

When: April 23, 7:20 PM CST
Where: Marion County
Rating: F1
Path length: 3.6 mi
Path width: 33 yd
Coordinates: 41.300, -93.270

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

Every storm in Iowa in 1976 Every state in 1976 This day in weather history The 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: 10014894, 10014895, 10014896, 10014897, 10014898, 10014899, 10014900.