Tornado record · Original Fujita scale
F3 tornado, Benton County, Iowa, May 18, 1971
RatingF3
Deaths0
Injuries0
Length4.3 mi
Width200 yd
Path
Drawn as a straight line from the recorded start point (42.00, -91.87) to the end point (42.05, -91.80), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- May 18, 1971, 3:12 PM (as recorded, Central Standard Time)
- Rating
- F3
- States
- Iowa
- Counties
- Benton County
- Path
- 4.3 miles long, up to 200 yards wide
- Casualties
- 0 deaths, 0 injuries
Other tornadoes on May 18, 1971
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 18, 1971 | F3 | Iowa | 4.3 mi | 300 yd | 0 | 0 |
| May 18, 1971 | F2 | Kansas, Missouri | 55.4 mi | 100 yd | 0 | 6 |
| May 18, 1971 | F1 | Iowa | 0.1 mi | 10 yd | 0 | 0 |
| May 18, 1971 | F1 | Iowa | 0.1 mi | 10 yd | 0 | 0 |
| May 18, 1971 | F1 | Wisconsin | 15.9 mi | 100 yd | 0 | 5 |
| May 18, 1971 | F1 | Iowa | 0.1 mi | 10 yd | 0 | 0 |
| May 18, 1971 | F1 | Iowa | 5.1 mi | 100 yd | 0 | 0 |
| May 18, 1971 | F1 | Oklahoma | 7.7 mi | 100 yd | 0 | 0 |
| May 18, 1971 | F1 | Wisconsin | 2 mi | 100 yd | 0 | 0 |
| May 18, 1971 | F1 | Wisconsin | 2 mi | 100 yd | 0 | 0 |
| May 18, 1971 | F0 | Iowa | 0.1 mi | 10 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.