Tornado record · Original Fujita scale
F2 tornado, Cook County, Illinois, April 30, 1970
RatingF2
Deaths0
Injuries9
Length4.9 mi
Width10 yd
Path
Drawn as a straight line from the recorded start point (42.00, -87.90) to the end point (42.05, -87.82), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- April 30, 1970, 2:25 PM (as recorded, Central Standard Time)
- Rating
- F2
- States
- Illinois
- Counties
- Cook County
- Path
- 4.9 miles long, up to 10 yards wide
- Casualties
- 0 deaths, 9 injuries
Other tornadoes on April 30, 1970
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Apr 30, 1970 | F3 | Missouri | 8.2 mi | 100 yd | 0 | 1 |
| Apr 30, 1970 | F2 | Oklahoma | 46.7 mi | 500 yd | 0 | 6 |
| Apr 30, 1970 | F2 | Arkansas | 6.4 mi | 100 yd | 0 | 0 |
| Apr 30, 1970 | F2 | Arkansas | 4.3 mi | 50 yd | 0 | 0 |
| Apr 30, 1970 | F2 | Arkansas | 7.2 mi | 100 yd | 0 | 0 |
| Apr 30, 1970 | F2 | Arkansas | 1.3 mi | 200 yd | 0 | 0 |
| Apr 30, 1970 | F2 | Arkansas | 20.1 mi | 667 yd | 0 | 0 |
| Apr 30, 1970 | F1 | Arkansas | 0.3 mi | 100 yd | 0 | 0 |
| Apr 30, 1970 | F1 | Oklahoma | 0.2 mi | 50 yd | 0 | 2 |
| Apr 30, 1970 | F1 | Illinois | 0.1 mi | 10 yd | 0 | 0 |
| Apr 30, 1970 | F1 | Michigan | 1.5 mi | 67 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.