Tornado record · Original Fujita scale
F2 tornado, Bon Homme County, South Dakota, April 20, 1985
RatingF2
Deaths0
Injuries0
Length3.5 mi
Width1,000 yd
Path
Drawn as a straight line from the recorded start point (42.93, -97.67) to the end point (42.98, -97.63), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- April 20, 1985, 6:00 PM (as recorded, Central Standard Time)
- Rating
- F2
- States
- South Dakota
- Counties
- Bon Homme County
- Path
- 3.5 miles long, up to 1,000 yards wide
- Casualties
- 0 deaths, 0 injuries
Other tornadoes on April 20, 1985
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Apr 20, 1985 | F3 | Minnesota | 8 mi | 250 yd | 0 | 2 |
| Apr 20, 1985 | F2 | Nebraska | 35 mi | 440 yd | 0 | 0 |
| Apr 20, 1985 | F2 | South Dakota | 10 mi | 440 yd | 0 | 0 |
| Apr 20, 1985 | F2 | South Dakota | 12 mi | 440 yd | 0 | 0 |
| Apr 20, 1985 | F1 | Nebraska | 0.5 mi | 20 yd | 0 | 0 |
| Apr 20, 1985 | F1 | Nebraska | 1 mi | 100 yd | 0 | 0 |
| Apr 20, 1985 | F1 | South Dakota | 0.1 mi | 10 yd | 0 | 0 |
| Apr 20, 1985 | F1 | South Dakota | 0.1 mi | 10 yd | 0 | 0 |
| Apr 20, 1985 | F1 | Oklahoma | 3.6 mi | 100 yd | 0 | 0 |
| Apr 20, 1985 | F0 | South Dakota | 2 mi | 80 yd | 0 | 0 |
| Apr 20, 1985 | F0 | South Dakota | 0.1 mi | 10 yd | 0 | 0 |
| Apr 20, 1985 | F0 | South Dakota | 0.1 mi | 10 yd | 0 | 0 |
| Apr 20, 1985 | F0 | Oklahoma | 15.3 mi | 100 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.