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F1 tornado in Liberty County, Texas

Tornado October 23, 1997 · Liberty County, Texas

F1
Rating
3.0 mi
Path length
440 yd
Path width
$50K
Damage as recorded
$5K
Crop damage
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 440 yards (0.25 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What F1 means. This tornado was rated on Fujita’s original scale, used until 2007. F1 meant moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken; the scale paired it with winds of 73–112 mph, figures later judged too high, especially toward the top of the scale, and revised downward in the Enhanced Fujita scale. Ratings then, as now, came from the damage.

What the National Weather Service wrote

Trees down and minor structural damage.

Began near Dayton (29.9800, -94.9700).

Other tornadoes from the same storm system

12 more tornadoes the National Weather Service filed under this storm episode.

F2 Harris CountyF2 Montgomery CountyF1 Fort Bend CountyF1 Walker CountyF1 Montgomery CountyF1 San Jacinto CountyF0 Austin CountyF0 Liberty CountyF0 Liberty CountyF0 San Jacinto CountyF0 Montgomery CountyF0 Polk County

Source: NOAA Storm Events Database, event 5622602. Narratives are written by the National Weather Service forecast office that issued the report.

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