Tornado record · Original Fujita scale
F1 tornado, Calhoun County, Michigan, July 20, 2003
RatingF1
Deaths0
Injuries0
Length8 mi
Width880 yd
Path
Drawn as a straight line from the recorded start point (42.32, -85.18) to the end point (42.32, -85.18), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- July 20, 2003, 12:15 PM (as recorded, Central Standard Time)
- Rating
- F1
- States
- Michigan
- Counties
- Calhoun County
- Path
- 8 miles long, up to 880 yards wide
- Casualties
- 0 deaths, 0 injuries
Other tornadoes on July 20, 2003
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Jul 20, 2003 | F2 | Iowa | 1 mi | 300 yd | 0 | 0 |
| Jul 20, 2003 | F2 | Iowa | 0.3 mi | 200 yd | 0 | 0 |
| Jul 20, 2003 | F1 | North Dakota | 2 mi | 40 yd | 0 | 0 |
| Jul 20, 2003 | F1 | Nebraska | 2 mi | 400 yd | 0 | 0 |
| Jul 20, 2003 | F1 | Nebraska | 1.5 mi | 400 yd | 0 | 0 |
| Jul 20, 2003 | F1 | Iowa | 6.8 mi | 150 yd | 0 | 0 |
| Jul 20, 2003 | F1 | Iowa | 2.4 mi | 440 yd | 0 | 0 |
| Jul 20, 2003 | F1 | Iowa | 0.5 mi | 70 yd | 0 | 0 |
| Jul 20, 2003 | F0 | North Dakota | n/a | 50 yd | 0 | 0 |
| Jul 20, 2003 | F0 | South Dakota | 0.1 mi | 25 yd | 0 | 0 |
| Jul 20, 2003 | F0 | Nebraska | n/a | 20 yd | 0 | 0 |
| Jul 20, 2003 | F0 | Nebraska | n/a | 20 yd | 0 | 0 |
| Jul 20, 2003 | F0 | Nebraska | 0.1 mi | 20 yd | 0 | 0 |
| Jul 20, 2003 | F0 | Iowa | 0.1 mi | 50 yd | 0 | 0 |
| Jul 20, 2003 | F0 | Iowa | 0.1 mi | 25 yd | 0 | 0 |
| Jul 20, 2003 | F0 | Iowa | 3.5 mi | 35 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.