Tornado record · Original Fujita scale
F4 tornado, Chippewa County, Wisconsin, July 30, 1977
RatingF4
Deaths0
Injuries20
Length19 mi
Width300 yd
Path
Drawn as a straight line from the recorded start point (45.10, -91.53) to the end point (45.27, -91.22), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- July 30, 1977, 6:35 PM (as recorded, Central Standard Time)
- Rating
- F4
- States
- Wisconsin
- Counties
- Chippewa County
- Path
- 19 miles long, up to 300 yards wide
- Casualties
- 0 deaths, 20 injuries
Other tornadoes on July 30, 1977
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Jul 30, 1977 | F3 | Wisconsin | 9.1 mi | 200 yd | 0 | 0 |
| Jul 30, 1977 | F2 | Wisconsin | 34.5 mi | 1,000 yd | 1 | 8 |
| Jul 30, 1977 | F1 | Nebraska | 0.1 mi | 10 yd | 0 | 0 |
| Jul 30, 1977 | F1 | Wisconsin | 6.6 mi | 100 yd | 0 | 0 |
| Jul 30, 1977 | F1 | Wisconsin | 11.8 mi | 100 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.