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F1 tornado in Graves County, Kentucky

Tornado April 13, 1998 · Graves County, Kentucky

F1
Rating
7.0 mi
Path length
100 yd
Path width
$200K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 100 yards (0.06 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

A tornado caused considerable damage to residences, automobiles, and trees in an area roughly following Kentucky 408, north of Mayfield. Two vehicles were overturned. A mobile home was demolished. Several homes sustained damage to siding and roofing. An outbuilding was blown across a roadway. Large trees were blown down across Kentucky Route 945, blocking it for several hours.

Began near Pottsville (36.8500, -88.7200).

Source: NOAA Storm Events Database, event 5643831. Narratives are written by the National Weather Service forecast office that issued the report.

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