Tornado record · Original Fujita scale
F4 tornado, Genesee County, Michigan, May 12, 1956
RatingF4
Deaths3
Injuries116
Length6.6 mi
Width100 yd
Path
Drawn as a straight line from the recorded start point (43.00, -83.68) to the end point (42.97, -83.55), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- May 12, 1956, 5:25 PM (as recorded, Central Standard Time)
- Rating
- F4
- States
- Michigan
- Counties
- Genesee County
- Path
- 6.6 miles long, up to 100 yards wide
- Casualties
- 3 deaths, 116 injuries
Other tornadoes on May 12, 1956
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 12, 1956 | F4 | Michigan | 6.8 mi | 400 yd | 0 | 22 |
| May 12, 1956 | F2 | Michigan | 9.1 mi | 10 yd | 0 | 0 |
| May 12, 1956 | F2 | Michigan | 3.8 mi | 800 yd | 1 | 4 |
| May 12, 1956 | F2 | Michigan | 10.7 mi | 10 yd | 0 | 3 |
| May 12, 1956 | F2 | Michigan | 3.8 mi | 100 yd | 0 | 0 |
| May 12, 1956 | F2 | Michigan | 7.4 mi | 100 yd | 0 | 5 |
| May 12, 1956 | F2 | Michigan | 7.8 mi | 100 yd | 0 | 5 |
| May 12, 1956 | F2 | Pennsylvania | 0.1 mi | 10 yd | 0 | 0 |
| May 12, 1956 | F1 | Michigan | 2 mi | 10 yd | 0 | 1 |
| May 12, 1956 | F1 | Nebraska | 4 mi | 10 yd | 0 | 0 |
| May 12, 1956 | F1 | Nebraska | 1.9 mi | 10 yd | 0 | 0 |
| May 12, 1956 | F0 | Michigan | 11.7 mi | 333 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.