Tornado record · Original Fujita scale
F0 tornado, Niobrara County, Wyoming, May 21, 1998
RatingF0
Deaths0
Injuries0
Length2 mi
Width30 yd
Path
Drawn as a straight line from the recorded start point (42.67, -104.10) to the end point (42.67, -104.07), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- May 21, 1998, 10:35 AM (as recorded, Central Standard Time)
- Rating
- F0
- States
- Wyoming
- Counties
- Niobrara County
- Path
- 2 miles long, up to 30 yards wide
- Casualties
- 0 deaths, 0 injuries
Other tornadoes on May 21, 1998
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 21, 1998 | F2 | Nebraska | 4 mi | 50 yd | 0 | 0 |
| May 21, 1998 | F1 | Nebraska | 0.2 mi | 30 yd | 0 | 0 |
| May 21, 1998 | F1 | Iowa | 0.5 mi | 40 yd | 0 | 0 |
| May 21, 1998 | F0 | Nebraska | 0.5 mi | 30 yd | 0 | 0 |
| May 21, 1998 | F0 | Nebraska | 3 mi | 30 yd | 0 | 0 |
| May 21, 1998 | F0 | Nebraska | 3 mi | 30 yd | 0 | 0 |
| May 21, 1998 | F0 | Utah | 0.1 mi | 30 yd | 0 | 0 |
| May 21, 1998 | F0 | Utah | 0.1 mi | 30 yd | 0 | 0 |
| May 21, 1998 | F0 | Missouri | 0.7 mi | 80 yd | 0 | 0 |
| May 21, 1998 | F0 | Nebraska | 0.2 mi | 30 yd | 0 | 0 |
| May 21, 1998 | F0 | Nebraska | 0.1 mi | 30 yd | 0 | 0 |
| May 21, 1998 | F0 | Iowa | 0.2 mi | 50 yd | 0 | 0 |
| May 21, 1998 | F0 | Nebraska | 0.2 mi | 30 yd | 0 | 0 |
| May 21, 1998 | F0 | Nebraska | 0.2 mi | 30 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.