Tornado record · Original Fujita scale
F1 tornado, Bureau County, Illinois, April 21, 1973
RatingF1
Deaths0
Injuries0
Length8.6 mi
Width60 yd
Path
Drawn as a straight line from the recorded start point (41.45, -89.67) to the end point (41.38, -89.52), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- April 21, 1973, 10:20 PM (as recorded, Central Standard Time)
- Rating
- F1
- States
- Illinois
- Counties
- Bureau County
- Path
- 8.6 miles long, up to 60 yards wide
- Casualties
- 0 deaths, 0 injuries
Other tornadoes on April 21, 1973
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Apr 21, 1973 | F4 | Missouri | 14.6 mi | 440 yd | 0 | 1 |
| Apr 21, 1973 | F2 | Iowa | 13.2 mi | 10 yd | 0 | 6 |
| Apr 21, 1973 | F2 | Illinois | 30.2 mi | 10 yd | 0 | 2 |
| Apr 21, 1973 | F2 | Illinois | 0.2 mi | 10 yd | 0 | 0 |
| Apr 21, 1973 | F2 | Missouri | 5 mi | 100 yd | 0 | 2 |
| Apr 21, 1973 | F1 | Iowa | 4.1 mi | 250 yd | 0 | 0 |
| Apr 21, 1973 | F1 | Oklahoma | 0.1 mi | 120 yd | 0 | 0 |
| Apr 21, 1973 | F1 | Oklahoma | 5.1 mi | 40 yd | 0 | 0 |
| Apr 21, 1973 | F1 | Illinois | 0.2 mi | 10 yd | 0 | 0 |
| Apr 21, 1973 | F1 | Iowa | 1 mi | 150 yd | 0 | 0 |
| Apr 21, 1973 | F1 | Illinois | 11.6 mi | 10 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.