Tornado record · Original Fujita scale
F1 tornado, Clay County, South Dakota, August 12, 1985
RatingF1
Deaths0
Injuries0
Length20 mi
Width30 yd
Path
Drawn as a straight line from the recorded start point (42.83, -97.07) to the end point (42.95, -96.73), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- August 12, 1985, 1:30 AM (as recorded, Central Standard Time)
- Rating
- F1
- States
- South Dakota
- Counties
- Clay County, Union County
- Path
- 20 miles long, up to 30 yards wide
- Casualties
- 0 deaths, 0 injuries
Other tornadoes on August 12, 1985
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Aug 12, 1985 | F2 | Wisconsin | 10 mi | 880 yd | 0 | 14 |
| Aug 12, 1985 | F2 | Wisconsin | 22 mi | 880 yd | 2 | 22 |
| Aug 12, 1985 | F1 | Wisconsin | 1.2 mi | 150 yd | 0 | 0 |
| Aug 12, 1985 | F0 | Wisconsin | 0.5 mi | 100 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.