Tornado record · Original Fujita scale
F0 tornado, Knox County, Illinois, April 22, 1999
RatingF0
Deaths0
Injuries0
Length0.2 mi
Width10 yd
Path
Drawn as a straight line from the recorded start point (40.92, -90.15) to the end point (40.92, -90.15), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- April 22, 1999, 9:27 PM (as recorded, Central Standard Time)
- Rating
- F0
- States
- Illinois
- Counties
- Knox County
- Path
- 0.2 miles long, up to 10 yards wide
- Casualties
- 0 deaths, 0 injuries
Other tornadoes on April 22, 1999
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Apr 22, 1999 | F1 | Oklahoma | 3 mi | 200 yd | 0 | 0 |
| Apr 22, 1999 | F0 | Oklahoma | 0.3 mi | 50 yd | 0 | 0 |
| Apr 22, 1999 | F0 | Oklahoma | 0.3 mi | 50 yd | 0 | 0 |
| Apr 22, 1999 | F0 | Oklahoma | 1 mi | 50 yd | 0 | 0 |
| Apr 22, 1999 | F0 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.