F0 tornado in Walworth County, Wisconsin
Tornado July 18, 1997 · Walworth County, Wisconsin
F0
Rating
0.1 mi
Path length
50 yd
Path width
$100
Crop damage
EF0EF1EF2EF3EF4EF5Unrated
NOAA recorded where this tornado touched down but not where it lifted, so it appears as a point. 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 tornado touchdown between Highway B and County Line road caused minor damage to a corn field , destroying a 20 by 40 foot swath of produce.
Began near Sharon (42.5200, -88.7700).
Source: NOAA Storm Events Database, event 5612281. Narratives are written by the National Weather Service forecast office that issued the report.
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