Tornado record · Original Fujita scale
F3 tornado, Story County, Iowa, May 20, 1953
RatingF3
Deaths1
Injuries0
Length116.1 mi
Width400 yd
Path
Drawn as a straight line from the recorded start point (42.15, -93.70) to the end point (43.43, -92.32), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- May 20, 1953, 9:00 PM (as recorded, Central Standard Time)
- Rating
- F3
- States
- Iowa
- Counties
- Story County, Hardin County, Butler County, Chickasaw County
- Path
- 116.1 miles long, up to 400 yards wide
- Casualties
- 1 deaths, 0 injuries
Other tornadoes on May 20, 1953
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 20, 1953 | F3 | Iowa | 38.6 mi | 400 yd | 0 | 7 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.