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F1 tornado in Isanti County, Minnesota

Tornado July 21, 1995 · Isanti County, Minnesota

Rating

8.0 mi

Path length

200 yd

Path width

Injuries

$1.5M

Damage as recorded

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The path drawn at its surveyed width of 200 yards (0.11 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

Tornado touched down one mile west of Cambridge and moved east through western and southern Cambridge. Lifted off ground 16 minutes later, about seven miles east of Cambridge. Twenty homes, two apartment buildings, a senior citizen center, a hospital and a water treatment plant were damaged or destroyed. Heaviest property damage in Carraige Hills Drive Housing Development. Agricultural damage to 500 acres. There were three minor injuries.

Began near Cambridge (45.5800, -93.2500).

Source: NOAA Storm Events Database, event 10331345. Narratives are written by the National Weather Service forecast office that issued the report.

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