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F1 tornado in Swift County, Minnesota

Tornado June 11, 2001 · Swift County, Minnesota

F1
Rating
2.0 mi
Path length
50 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

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

A new mesocyclone formed to the northeast of the storm that produced the Benson tornado. This new storm went on to produce five tornadoes, with the last one occurring near New Market in Scott County. This storm also produced large hail and very strong damaging wind from its beginning, all the way to the southern suburbs of Minneapolis. This mesocyclones first tornado touched down in Swift County, 9 N to NNE Kerkhoven, and knocked down two barns and several outbuildings in the Monson Lake area before traveling into Kandiyohi County, one mile southwest of Sunburg.

Began near Kerkhoven (45.3333, -95.3167).

Other tornadoes from the same storm system

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

F1 Kandiyohi CountyF1 Kandiyohi CountyF1 Kandiyohi CountyF1 Meeker CountyF1 Scott County

Source: NOAA Storm Events Database, event 5254865. Narratives are written by the National Weather Service forecast office that issued the report.

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