Tornado record · Original Fujita scale
F4 tornado, Linn County, Missouri, April 21, 1967
RatingF4
Deaths0
Injuries2
Length59 mi
Width500 yd
Path
Drawn as a straight line from the recorded start point (39.70, -93.17) to the end point (39.98, -92.12), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- April 21, 1967, 2:20 PM (as recorded, Central Standard Time)
- Rating
- F4
- States
- Missouri
- Counties
- Linn County, Macon County, Knox County
- Path
- 59 miles long, up to 500 yards wide
- Casualties
- 0 deaths, 2 injuries
Other tornadoes on April 21, 1967
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Apr 21, 1967 | F4 | Illinois | 25.5 mi | 1,200 yd | 24 | 450 |
| Apr 21, 1967 | F4 | Illinois | 8.8 mi | 150 yd | 1 | 100 |
| Apr 21, 1967 | F4 | Illinois | 15 mi | 200 yd | 33 | 500 |
| Apr 21, 1967 | F4 | Michigan | 12 mi | 50 yd | 0 | 8 |
| Apr 21, 1967 | F3 | Missouri | 14.6 mi | 440 yd | 0 | 0 |
| Apr 21, 1967 | F3 | Iowa | 0.1 mi | 200 yd | 0 | 0 |
| Apr 21, 1967 | F3 | Michigan | 13.6 mi | 400 yd | 0 | 32 |
| Apr 21, 1967 | F2 | Missouri | 8.4 mi | 90 yd | 0 | 0 |
| Apr 21, 1967 | F2 | Missouri | 6.3 mi | 50 yd | 0 | 7 |
| Apr 21, 1967 | F2 | Missouri | 3 mi | 200 yd | 0 | 0 |
| Apr 21, 1967 | F2 | Missouri | 20.4 mi | 100 yd | 0 | 0 |
| Apr 21, 1967 | F2 | Iowa | 32.8 mi | 100 yd | 0 | 0 |
| Apr 21, 1967 | F2 | Illinois | 25.1 mi | 300 yd | 0 | 0 |
| Apr 21, 1967 | F2 | Illinois | 4.5 mi | 300 yd | 0 | 0 |
| Apr 21, 1967 | F2 | Illinois | 5.6 mi | 77 yd | 0 | 0 |
| Apr 21, 1967 | F2 | Illinois | 0.3 mi | 30 yd | 0 | 1 |
| Apr 21, 1967 | F2 | Illinois | 2.68 mi | 115 yd | 0 | 5 |
| Apr 21, 1967 | F2 | Indiana | 6.3 mi | 10 yd | 0 | 2 |
| Apr 21, 1967 | F2 | Illinois | 0.3 mi | 10 yd | 0 | 0 |
| Apr 21, 1967 | F2 | Michigan | 18.6 mi | 50 yd | 0 | 4 |
| Apr 21, 1967 | F2 | Michigan | 14.5 mi | 500 yd | 0 | 1 |
| Apr 21, 1967 | F2 | Michigan | 1 mi | 27 yd | 0 | 0 |
| Apr 21, 1967 | F2 | Michigan | 0.1 mi | 33 yd | 0 | 6 |
| Apr 21, 1967 | F2 | Michigan | 0.3 mi | 27 yd | 0 | 0 |
| Apr 21, 1967 | F2 | Michigan | 10.9 mi | 10 yd | 0 | 0 |
| Apr 21, 1967 | F1 | Missouri | 0.2 mi | 10 yd | 0 | 0 |
| Apr 21, 1967 | F1 | Indiana | 0.1 mi | 10 yd | 0 | 0 |
| Apr 21, 1967 | F1 | Missouri | 0.1 mi | 50 yd | 0 | 0 |
| Apr 21, 1967 | F1 | Missouri | 0.1 mi | 10 yd | 0 | 0 |
| Apr 21, 1967 | F1 | Illinois | 0.3 mi | 30 yd | 0 | 0 |
| Apr 21, 1967 | F1 | Illinois | 1 mi | 13 yd | 0 | 0 |
| Apr 21, 1967 | F1 | Illinois | 5.6 mi | 100 yd | 0 | 0 |
| Apr 21, 1967 | F1 | Illinois | 0.5 mi | 150 yd | 0 | 0 |
| Apr 21, 1967 | F1 | Illinois | 2 mi | 40 yd | 0 | 0 |
| Apr 21, 1967 | F1 | Illinois | 0.5 mi | 10 yd | 0 | 0 |
| Apr 21, 1967 | F1 | Illinois | 6.8 mi | 20 yd | 0 | 0 |
| Apr 21, 1967 | F1 | Illinois | 0.3 mi | 10 yd | 0 | 0 |
| Apr 21, 1967 | F1 | California | 0.1 mi | 10 yd | 0 | 0 |
| Apr 21, 1967 | F1 | Michigan | 0.1 mi | 10 yd | 0 | 0 |
| Apr 21, 1967 | F1 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| Apr 21, 1967 | F0 | Missouri | 1 mi | 10 yd | 0 | 0 |
| Apr 21, 1967 | F0 | Missouri | 0.1 mi | 10 yd | 0 | 0 |
| Apr 21, 1967 | F0 | Missouri | 0.1 mi | 10 yd | 0 | 0 |
| Apr 21, 1967 | F0 | Michigan | 0.1 mi | 10 yd | 0 | 0 |
| Apr 21, 1967 | F0 | Indiana | 0.1 mi | 10 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.