Tornado record · Original Fujita scale
F3 tornado, Marshall County, Iowa, September 16, 1978
RatingF3
Deaths6
Injuries45
Length31.8 mi
Width200 yd
Path
Drawn as a straight line from the recorded start point (41.97, -93.18) to the end point (41.65, -92.70), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- September 16, 1978, 7:25 PM (as recorded, Central Standard Time)
- Rating
- F3
- States
- Iowa
- Counties
- Marshall County, Jasper County, Poweshiek County
- Path
- 31.8 miles long, up to 200 yards wide
- Casualties
- 6 deaths, 45 injuries
Other tornadoes on September 16, 1978
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Sep 16, 1978 | F1 | Iowa | 1 mi | 100 yd | 0 | 1 |
| Sep 16, 1978 | F1 | Iowa | 0.5 mi | 100 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.