Tornado record · Original Fujita scale
F1 tornado, Mercer County, Pennsylvania, September 24, 1977
RatingF1
Deaths0
Injuries0
Length0.1 mi
Width10 yd
Path
Drawn as a straight line from the recorded start point (41.33, -80.12) to the end point (41.33, -80.12), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- September 24, 1977, 7:00 PM (as recorded, Central Standard Time)
- Rating
- F1
- States
- Pennsylvania
- Counties
- Mercer County
- Path
- 0.1 miles long, up to 10 yards wide
- Casualties
- 0 deaths, 0 injuries
Other tornadoes on September 24, 1977
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Sep 24, 1977 | F2 | Pennsylvania | 0.1 mi | 10 yd | 0 | 0 |
| Sep 24, 1977 | F1 | South Dakota | 21.3 mi | 20 yd | 0 | 0 |
| Sep 24, 1977 | F1 | Pennsylvania | 0.1 mi | 10 yd | 0 | 2 |
| Sep 24, 1977 | F1 | Pennsylvania | 0.1 mi | 10 yd | 0 | 0 |
| Sep 24, 1977 | F1 | Mississippi | 1 mi | 333 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.