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F1 tornado in Monroe County, Illinois

Tornado March 11, 2006 · Monroe County, Illinois

F1
Rating
7.5 mi
Whole path
100 yd
Path width

NOAA records this tornado county by county. Its path ran through Jefferson County, Missouri → Monroe County → Monroe County; the totals above are for the whole tornado.

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

The third tornado from the Jefferson County, MO supercell thunderstorm formed about 2 miles southwest of Fults about 9:46 pm CST. It destroyed a large grain bin as it moved east northeast. As it moved into the town of Fults, it caused minor roof damage and siding damage to 2 homes and minor roof damage to the Post Office. Two small sheds in the area were also destroyed. Several pine trees were snapped off at the tornado left Fults and dissipated. The maximum damage path was 100 yards wide with a F1 rating.

Began near Fults (38.1500, -90.2500).

Source: NOAA Storm Events Database, event 5495632. Narratives are written by the National Weather Service forecast office that issued the report.

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