Tornado record · Original Fujita scale
F1 tornado, Roosevelt County, Montana, July 21, 1999
RatingF1
Deaths0
Injuries0
Length1 mi
Width30 yd
Path
Drawn as a straight line from the recorded start point (48.13, -104.22) to the end point (48.13, -104.22), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- July 21, 1999, 11:10 PM (as recorded, Central Standard Time)
- Rating
- F1
- States
- Montana
- Counties
- Roosevelt County
- Path
- 1 miles long, up to 30 yards wide
- Casualties
- 0 deaths, 0 injuries
Other tornadoes on July 21, 1999
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Jul 21, 1999 | F0 | Montana | 0.2 mi | 10 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.