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F1 tornado in Decatur County, Indiana

Tornado April 20, 1996 · Decatur County, Indiana

Rating

1.2 mi

Path length

75 yd

Path width

$1.2M

Damage as recorded

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The path drawn at its surveyed width of 75 yards (0.04 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.

The wider storm

Weak tornado destroyed several buildings and damaged several more. Numerous trees were uprooted also. This storm was one of two to produce significant damage in the county.

Began near Greensburg (39.2800, -85.4800).

Source: NOAA Storm Events Database, event 5546390. Narratives are written by the National Weather Service forecast office that issued the report.

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