Tornado record · Original Fujita scale
F3 tornado, Harris County, Texas, December 13, 1977
RatingF3
Deaths1
Injuries40
Length25.1 mi
Width400 yd
Path
Drawn as a straight line from the recorded start point (29.78, -95.28) to the end point (30.03, -94.98), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- December 13, 1977, 8:05 AM (as recorded, Central Standard Time)
- Rating
- F3
- States
- Texas
- Counties
- Harris County, Liberty County
- Path
- 25.1 miles long, up to 400 yards wide
- Casualties
- 1 deaths, 40 injuries
Other tornadoes on December 13, 1977
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Dec 13, 1977 | F3 | Mississippi | 20.4 mi | 350 yd | 0 | 2 |
| Dec 13, 1977 | F2 | Mississippi | 1 mi | 300 yd | 0 | 0 |
| Dec 13, 1977 | F1 | Texas | 0.5 mi | 50 yd | 0 | 1 |
| Dec 13, 1977 | F1 | Louisiana | 0.5 mi | 27 yd | 0 | 0 |
| Dec 13, 1977 | F0 | Texas | 0.1 mi | 10 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.