Tornado record · Original Fujita scale
F4 tornado, Polk County, Iowa, September 28, 1986
RatingF4
Deaths0
Injuries0
Length20 mi
Width250 yd
Path
Drawn as a straight line from the recorded start point (41.75, -93.60) to the end point (41.77, -93.00), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- September 28, 1986, 4:34 PM (as recorded, Central Standard Time)
- Rating
- F4
- States
- Iowa
- Counties
- Polk County, Jasper County
- Path
- 20 miles long, up to 250 yards wide
- Casualties
- 0 deaths, 0 injuries
Other tornadoes on September 28, 1986
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Sep 28, 1986 | F2 | Wisconsin | 9 mi | 100 yd | 0 | 1 |
| Sep 28, 1986 | F2 | Iowa | 0.2 mi | 23 yd | 0 | 2 |
| Sep 28, 1986 | F1 | Iowa | 0.1 mi | 13 yd | 0 | 0 |
| Sep 28, 1986 | F0 | Illinois | 0.2 mi | 10 yd | 0 | 0 |
| Sep 28, 1986 | F0 | Iowa | 0.1 mi | 13 yd | 0 | 0 |
| Sep 28, 1986 | F0 | Michigan | 0.2 mi | 10 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.