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F1 tornado in Watonwan County, Minnesota

Tornado August 1, 2006 · Watonwan County, Minnesota

Rating

1.0 mi

Path length

50 yd

Path width

$500K

Damage as recorded

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The path drawn at its surveyed width of 50 yards (0.03 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

Shortly after another tornado dissipated at 1842 CST four miles south of St. James, another tornado quickly developed about 1/4 mile away. It moved across corn and bean fields until it struck a farm just southwest of County Roads 110 and 122, where it destroyed machine sheds and removed the roof of the barn. It continued moving northeast before veering to the north, where it dissipated as it hit an abandoned farmhouse.

Began near St James (43.9333, -94.6333).

Other tornadoes from the same storm system

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

F3 Watonwan County F1 Watonwan County

Source: NOAA Storm Events Database, event 5532793. Narratives are written by the National Weather Service forecast office that issued the report.

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