Tornado record · Original Fujita scale
F3 tornado, Cass County, Iowa, April 20, 1964
RatingF3
Deaths0
Injuries1
Length6.1 mi
Width350 yd
Path
Drawn as a straight line from the recorded start point (41.40, -95.05) to the end point (41.40, -94.92), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- April 20, 1964, 10:30 PM (as recorded, Central Standard Time)
- Rating
- F3
- States
- Iowa
- Counties
- Cass County
- Path
- 6.1 miles long, up to 350 yards wide
- Casualties
- 0 deaths, 1 injuries
Other tornadoes on April 20, 1964
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Apr 20, 1964 | F2 | Nebraska | 0.1 mi | 10 yd | 0 | 0 |
| Apr 20, 1964 | F2 | Kansas | 12.4 mi | 50 yd | 0 | 0 |
| Apr 20, 1964 | F2 | Iowa | 2.7 mi | 300 yd | 0 | 0 |
| Apr 20, 1964 | F2 | Kansas | 0.1 mi | 10 yd | 0 | 0 |
| Apr 20, 1964 | F2 | Iowa | 0.1 mi | 350 yd | 0 | 1 |
| Apr 20, 1964 | F2 | Kansas | 5.7 mi | 10 yd | 0 | 0 |
| Apr 20, 1964 | F1 | Nebraska | 19.7 mi | 10 yd | 0 | 0 |
| Apr 20, 1964 | F1 | Kansas | 0.1 mi | 10 yd | 0 | 0 |
| Apr 20, 1964 | F1 | Kansas | 0.1 mi | 10 yd | 0 | 0 |
| Apr 20, 1964 | F0 | Oklahoma | 0.1 mi | 10 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.