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F0 tornado in Ross County, Ohio

Tornado October 13, 1999 · Ross County, Ohio

Rating

0.1 mi

Path length

25 yd

Path width

$10K

Damage as recorded

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 touchdown knocked several trees down, felling one into a house.

The wider storm

A cold front pushed east from Illinois and Indiana during the afternoon hours and combined with a vigorous upper level disturbance that dropped into the Ohio Valley from the lower Great Lakes region. These factors prompted a squall line to develop ahead of the cold front that moved southeast through the Wilmington Ohio (ILN) county warning area before entering northeast Kentucky and southeast Ohio.

Began near Bourneville (39.2800, -83.1700).

Other tornadoes from the same storm system

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

F3 Pickaway County F0 Fayette County

Source: NOAA Storm Events Database, event 5722408. Narratives are written by the National Weather Service forecast office that issued the report.

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