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F1 tornado in Piatt County, Illinois

Tornado April 8, 1999 · Piatt County, Illinois

Rating

3.5 mi

Path length

100 yd

Path width

Death

Injuries

$150K

Damage as recorded

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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 formed and touched down destroying a double wide trailer 3 miles north of Cisco. Four people were initially injured, though one died the next day. A barn and two garages nearby were destroyed. Further to the northeast, the tornado destroyed a barn. Five miles north northeast of Cisco, the top story of a two story barn was removed. After this, the tornado lifted and dissipated. Damage to the mobile home was estimated around $150,000.

Began near Cisco (40.0700, -88.7300).

Other tornadoes from the same storm system

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

F0 Cumberland County F0 Coles County

Source: NOAA Storm Events Database, event 5695385. Narratives are written by the National Weather Service forecast office that issued the report.

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