F0 tornado in Ford County, Illinois
Tornado April 20, 2004 · Ford County, Illinois
F0
Rating
0.5 mi
Path length
20 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
The tornado occurred briefly at a farm, damaging a grain bin and an outbuilding.
Began near Piper City (40.8333, -88.1833).
Other tornadoes from the same storm system
10 more tornadoes the National Weather Service filed under this storm episode.
F3 La Salle County 8 deadF2 Kankakee CountyF1 La Salle CountyF1 Kankakee CountyF1 Will CountyF0 La Salle CountyF0 Ford CountyF0 Kankakee CountyF0 Will CountyF0 Grundy County
Source: NOAA Storm Events Database, event 5390603. Narratives are written by the National Weather Service forecast office that issued the report.
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