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F1 tornado in Harmon County, Oklahoma

Tornado April 15, 2003 · Harmon County, Oklahoma

F1
Rating
4.5 mi
Path length
300 yd
Path width
$30K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 300 yards (0.17 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

This is the final segment of the tornado that began in Hardeman County, Texas then moved northeast into extreme western Jackson County, Oklahoma before dissipating in Harmon County. The tornado caused F1 damage during this portion of the path. A farm located 10 miles south of Gould and 1 mile west of Highway 5 had five outbuildings destroyed and damaged the roof to a brick home. The tornado continued northeast and downed power lines along Highway 5 then dissipated approximately 1 mile east of Highway 5 at 1834 CST.

Began near Gould (35.7500, -99.5000).

Other tornadoes from the same storm system

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

F1 Roger Mills CountyF1 Roger Mills CountyF1 Beckham CountyF1 Jackson CountyF1 Oklahoma CountyF0 Roger Mills CountyF0 Jackson County

Source: NOAA Storm Events Database, event 5352590. Narratives are written by the National Weather Service forecast office that issued the report.

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