Tornado record · Original Fujita scale
F4 tornado, Wayne County, Iowa, May 20, 1959
RatingF4
Deaths0
Injuries5
Length17.2 mi
Width440 yd
Path
Drawn as a straight line from the recorded start point (40.70, -93.15) to the end point (40.87, -92.90), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- May 20, 1959, 7:00 PM (as recorded, Central Standard Time)
- Rating
- F4
- States
- Iowa
- Counties
- Wayne County
- Path
- 17.2 miles long, up to 440 yards wide
- Casualties
- 0 deaths, 5 injuries
Other tornadoes on May 20, 1959
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 20, 1959 | F2 | Kansas | 0.1 mi | 10 yd | 0 | 0 |
| May 20, 1959 | F2 | Nebraska | 12 mi | 10 yd | 0 | 0 |
| May 20, 1959 | F1 | Texas | 0.2 mi | 13 yd | 0 | 0 |
| May 20, 1959 | F1 | Nebraska | 0.1 mi | 10 yd | 0 | 0 |
| May 20, 1959 | F1 | Nebraska | 40.6 mi | 10 yd | 0 | 0 |
| May 20, 1959 | F1 | Alabama | 0.1 mi | 200 yd | 0 | 0 |
| May 20, 1959 | F1 | Nebraska | 0.3 mi | 100 yd | 0 | 0 |
| May 20, 1959 | F1 | Missouri | 0.2 mi | 17 yd | 0 | 0 |
| May 20, 1959 | F1 | Missouri | 5.9 mi | 10 yd | 0 | 0 |
| May 20, 1959 | F0 | Kansas | 0.1 mi | 10 yd | 0 | 0 |
| May 20, 1959 | F0 | Kansas | 0.1 mi | 10 yd | 0 | 0 |
| May 20, 1959 | F0 | Kansas | 0.1 mi | 10 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.