Tornado record · Original Fujita scale
F2 tornado, Black Hawk County, Iowa, May 7, 1964
RatingF2
Deaths0
Injuries27
Length7.1 mi
Width200 yd
Path
Drawn as a straight line from the recorded start point (42.52, -92.33) to the end point (42.47, -92.20), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- May 7, 1964, 5:30 PM (as recorded, Central Standard Time)
- Rating
- F2
- States
- Iowa
- Counties
- Black Hawk County
- Path
- 7.1 miles long, up to 200 yards wide
- Casualties
- 0 deaths, 27 injuries
Other tornadoes on May 7, 1964
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 7, 1964 | F3 | Iowa | 2.3 mi | 200 yd | 0 | 1 |
| May 7, 1964 | F2 | Wisconsin | 3.3 mi | 30 yd | 0 | 1 |
| May 7, 1964 | F2 | Iowa | 0.1 mi | 67 yd | 0 | 0 |
| May 7, 1964 | F2 | Iowa | 2 mi | 250 yd | 0 | 0 |
| May 7, 1964 | F2 | Wisconsin | 0.5 mi | 100 yd | 0 | 14 |
| May 7, 1964 | F2 | Iowa | 2 mi | 200 yd | 0 | 0 |
| May 7, 1964 | F1 | Texas | 2 mi | 250 yd | 0 | 0 |
| May 7, 1964 | F1 | Iowa | 2 mi | 100 yd | 0 | 0 |
| May 7, 1964 | F1 | Texas | 0.7 mi | 20 yd | 0 | 0 |
| May 7, 1964 | F1 | Texas | 8.2 mi | 440 yd | 0 | 0 |
| May 7, 1964 | F1 | Iowa | 1 mi | 100 yd | 0 | 0 |
| May 7, 1964 | F0 | Texas | 1 mi | 27 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.