The August 12, 1974 tornado
F4Delaware County, Iowa
An F4 tornado on a 5.0-mile path that injured 12. It was one of 3 tornadoes recorded in the U.S. that day, 2 of them rated F3/EF3 or stronger.
Watch how it happenedF4 tornado · August 12, 1974
How it happened
Follow the tornado’s recorded path from touchdown to lift-off.
The tornado
- Rating
- F4
- Fujita scale
- Path length
- 5.0 mi
- Width up to 400 yards
- Killed
- 0
- Along the whole path
- Injured
- 12
- Along the whole path
- Date and time
- Monday, August 12, 1974
- 4:20 PM CST
Counties on its path
Other notable tornadoes that day
- F4, Iowa County2 mi
Storm Prediction Center severe weather database. Path drawn as a straight line from the recorded start to end point.