Tornado record · Original Fujita scale
F1 tornado, Allegheny County, Pennsylvania, July 31, 1970
RatingF1
Deaths0
Injuries0
Length0.5 mi
Width200 yd
Path
Drawn as a straight line from the recorded start point (40.63, -80.08) to the end point (40.63, -80.08), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- July 31, 1970, 4:00 PM (as recorded, Central Standard Time)
- Rating
- F1
- States
- Pennsylvania
- Counties
- Allegheny County
- Path
- 0.5 miles long, up to 200 yards wide
- Casualties
- 0 deaths, 0 injuries
Other tornadoes on July 31, 1970
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Jul 31, 1970 | F1 | Iowa | 1 mi | 200 yd | 0 | 0 |
| Jul 31, 1970 | F0 | Colorado | 0.1 mi | 10 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.