Tornado record · Original Fujita scale
F3 tornado, Shelby County, Illinois, August 21, 1977
RatingF3
Deaths6
Injuries56
Length26.9 mi
Width77 yd
Path
Drawn as a straight line from the recorded start point (39.43, -88.65) to the end point (39.25, -88.20), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- August 21, 1977, 12:00 PM (as recorded, Central Standard Time)
- Rating
- F3
- States
- Illinois
- Counties
- Shelby County, Cumberland County
- Path
- 26.9 miles long, up to 77 yards wide
- Casualties
- 6 deaths, 56 injuries
Other tornadoes on August 21, 1977
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Aug 21, 1977 | F2 | Virginia | 1 mi | 30 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.