Tornado record · Original Fujita scale
F1 tornado, Weld County, Colorado, April 19, 1971
RatingF1
Deaths0
Injuries0
Length0.2 mi
Width27 yd
Path
Drawn as a straight line from the recorded start point (40.03, -104.97) to the end point (40.03, -104.97), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- April 19, 1971, 10:38 AM (as recorded, Central Standard Time)
- Rating
- F1
- States
- Colorado
- Counties
- Weld County
- Path
- 0.2 miles long, up to 27 yards wide
- Casualties
- 0 deaths, 0 injuries
Other tornadoes on April 19, 1971
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Apr 19, 1971 | F3 | Texas | 6.1 mi | 133 yd | 0 | 24 |
| Apr 19, 1971 | F2 | Texas | 7.2 mi | 150 yd | 0 | 0 |
| Apr 19, 1971 | F2 | Texas | 0.1 mi | 10 yd | 0 | 3 |
| Apr 19, 1971 | F2 | Oklahoma | 0.1 mi | 10 yd | 0 | 0 |
| Apr 19, 1971 | F1 | Oklahoma | 0.1 mi | 10 yd | 0 | 0 |
| Apr 19, 1971 | F1 | Texas | 0.3 mi | 20 yd | 0 | 0 |
| Apr 19, 1971 | F1 | Texas | 0.3 mi | 20 yd | 0 | 0 |
| Apr 19, 1971 | F1 | Nebraska | 0.1 mi | 10 yd | 0 | 0 |
| Apr 19, 1971 | F1 | Wyoming | 0.8 mi | 20 yd | 0 | 0 |
| Apr 19, 1971 | F1 | Oklahoma | 1.5 mi | 50 yd | 0 | 6 |
| Apr 19, 1971 | F0 | Colorado | 14.2 mi | 17 yd | 0 | 0 |
| Apr 19, 1971 | F0 | Colorado | 0.3 mi | 17 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.