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F0 tornado in Grand Forks County, North Dakota

Tornado July 18, 2001 · Grand Forks County, North Dakota

F0
Rating
1.0 mi
Path length
25 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 25 yards (0.01 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What F0 means. This tornado was rated on Fujita’s original scale, used until 2007. F0 meant light damage: shingles and siding peeled, gutters torn, branches broken; the scale paired it with winds of 40–72 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 brief touchdown was reported. At the 8300 block of 32nd Avenue South, 2 policemen in their squad cars felt the pull of the strong wind.

Began near Grand Forks (47.9167, -97.1333).

Other tornadoes from the same storm system

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

F3 Nelson CountyF0 Pembina CountyF0 Nelson CountyF0 Griggs CountyF0 Griggs CountyF0 Griggs CountyF0 Nelson CountyF0 Griggs CountyF0 Nelson CountyF0 Nelson CountyF0 Steele CountyF0 Nelson CountyF0 Steele CountyF0 Nelson CountyF0 Griggs CountyF0 Grand Forks County

Source: NOAA Storm Events Database, event 5261206. Narratives are written by the National Weather Service forecast office that issued the report.

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