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F1 tornado in Ramsey County, Minnesota

Tornado May 15, 1998 · Ramsey County, Minnesota

F1
Rating
7.0 mi
Path length
350 yd
Path width
$150.0M
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 350 yards (0.20 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 in Roseville, and travelled straight north through Shoreview, North Oaks, Lino Lakes, eventually lifting off in Blaine in Anoka County. 7 houses destroyed, 102 severely damaged. Damaged estimate for entire county including widespread wind driven hail.

Began near Roseville (45.0200, -93.1500).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 5649343. Narratives are written by the National Weather Service forecast office that issued the report.

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