Tornado record · Original Fujita scale
F0 tornado, Keweenaw County, Michigan, July 11, 1987
RatingF0
Deaths0
Injuries0
Length6 mi
Width23 yd
Path
Drawn as a straight line from the recorded start point (47.27, -88.35) to the end point (47.20, -88.42), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- July 11, 1987, 11:45 AM (as recorded, Central Standard Time)
- Rating
- F0
- States
- Michigan
- Counties
- Keweenaw County, Houghton County
- Path
- 6 miles long, up to 23 yards wide
- Casualties
- 0 deaths, 0 injuries
Other tornadoes on July 11, 1987
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Jul 11, 1987 | F3 | Michigan | 71 mi | 150 yd | 0 | 0 |
| Jul 11, 1987 | F2 | South Dakota | 5 mi | 100 yd | 0 | 0 |
| Jul 11, 1987 | F1 | Iowa | 5 mi | 20 yd | 0 | 0 |
| Jul 11, 1987 | F0 | Michigan | 2 mi | 500 yd | 0 | 0 |
| Jul 11, 1987 | F0 | Minnesota | 0.1 mi | 10 yd | 0 | 0 |
| Jul 11, 1987 | F0 | Iowa | 0.3 mi | 13 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.