F0 tornado in Nez Perce County, Idaho
Tornado May 31, 1997 · Nez Perce County, Idaho
F0
Rating
25 yd
Path width
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
eyewitness interviewed, concluded f0 tornado
Began near Lewiston (46.4200, -116.9700).
Other tornadoes from the same storm system
1 more tornado the National Weather Service filed under this storm episode.
Source: NOAA Storm Events Database, event 5599562. Narratives are written by the National Weather Service forecast office that issued the report.
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