Tornado record · Original Fujita scale
F4 tornado, Polk County, Iowa, June 18, 1974
RatingF4
Deaths2
Injuries50
Length15.3 mi
Width400 yd
Path
Drawn as a straight line from the recorded start point (41.73, -93.62) to the end point (41.52, -93.53), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- June 18, 1974, 9:35 PM (as recorded, Central Standard Time)
- Rating
- F4
- States
- Iowa
- Counties
- Polk County
- Path
- 15.3 miles long, up to 400 yards wide
- Casualties
- 2 deaths, 50 injuries
Other tornadoes on June 18, 1974
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Jun 18, 1974 | F2 | Iowa | 2 mi | 200 yd | 0 | 0 |
| Jun 18, 1974 | F1 | Florida | 0.2 mi | 10 yd | 0 | 0 |
| Jun 18, 1974 | F1 | Minnesota | 0.3 mi | 27 yd | 0 | 2 |
| Jun 18, 1974 | F1 | Iowa | 0.1 mi | 10 yd | 0 | 1 |
| Jun 18, 1974 | F0 | Iowa | 0.1 mi | 10 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.