Tornado record · Original Fujita scale
F4 tornado, Linn County, Iowa, April 30, 1954
RatingF4
Deaths0
Injuries0
Length80.4 mi
Width200 yd
Path
Drawn as a straight line from the recorded start point (42.10, -91.75) to the end point (43.18, -91.17), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- April 30, 1954, 7:00 PM (as recorded, Central Standard Time)
- Rating
- F4
- States
- Iowa
- Counties
- Linn County, Delaware County, Clayton County, Allamakee County
- Path
- 80.4 miles long, up to 200 yards wide
- Casualties
- 0 deaths, 0 injuries
Other tornadoes on April 30, 1954
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Apr 30, 1954 | F3 | Texas | 139.9 mi | 880 yd | 0 | 6 |
| Apr 30, 1954 | F3 | Oklahoma | 1 mi | 150 yd | 0 | 12 |
| Apr 30, 1954 | F3 | Texas, Arkansas | 86.3 mi | 50 yd | 0 | 1 |
| Apr 30, 1954 | F3 | Texas, Arkansas | 111.6 mi | 1,760 yd | 0 | 2 |
| Apr 30, 1954 | F3 | Arkansas | 40.7 mi | 440 yd | 0 | 1 |
| Apr 30, 1954 | F2 | Texas | 15.8 mi | 880 yd | 0 | 2 |
| Apr 30, 1954 | F2 | Texas | 1.9 mi | 67 yd | 0 | 0 |
| Apr 30, 1954 | F2 | Texas | 68.8 mi | 883 yd | 0 | 25 |
| Apr 30, 1954 | F2 | Louisiana | 16.7 mi | 100 yd | 1 | 6 |
| Apr 30, 1954 | F2 | Missouri | 3.6 mi | 400 yd | 0 | 0 |
| Apr 30, 1954 | F2 | Iowa | 85.2 mi | 200 yd | 0 | 1 |
| Apr 30, 1954 | F2 | Arkansas | 38.8 mi | 100 yd | 0 | 0 |
| Apr 30, 1954 | F2 | Missouri | 89.6 mi | 100 yd | 0 | 0 |
| Apr 30, 1954 | F2 | Louisiana | 1 mi | 67 yd | 0 | 1 |
| Apr 30, 1954 | F2 | Iowa | 65.8 mi | 200 yd | 0 | 0 |
| Apr 30, 1954 | F2 | Iowa | 16.6 mi | 50 yd | 0 | 0 |
| Apr 30, 1954 | F2 | Iowa | 1 mi | 200 yd | 0 | 0 |
| Apr 30, 1954 | F1 | Texas | 6.1 mi | 880 yd | 0 | 0 |
| Apr 30, 1954 | F1 | Oklahoma | 0.1 mi | 10 yd | 0 | 0 |
| Apr 30, 1954 | F1 | Texas | 15 mi | 67 yd | 0 | 0 |
| Apr 30, 1954 | F1 | Oklahoma | 0.1 mi | 10 yd | 0 | 0 |
| Apr 30, 1954 | F1 | Arkansas | 0.1 mi | 10 yd | 0 | 0 |
| Apr 30, 1954 | F1 | Arkansas | 0.5 mi | 50 yd | 0 | 0 |
| Apr 30, 1954 | F1 | Arkansas | 6.9 mi | 100 yd | 0 | 0 |
| Apr 30, 1954 | F1 | Missouri | 7.3 mi | 50 yd | 0 | 0 |
| Apr 30, 1954 | F1 | Louisiana | 0.5 mi | 33 yd | 0 | 0 |
| Apr 30, 1954 | F1 | Mississippi | 6.8 mi | 10 yd | 0 | 0 |
| Apr 30, 1954 | F0 | Florida | 0.1 mi | 10 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.