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EF1 tornado in Bullitt County, Kentucky

Tornado October 18, 2007 · Bullitt County, Kentucky

EF1
Rating
1.6 mi
Path length
200 yd
Path width
$35K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 200 yards (0.11 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF1 means. On the Enhanced Fujita scale, EF1 is moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken, consistent with estimated gusts of 86–110 mph. The rating comes from a survey of the worst damage after the storm, not from a wind measurement, so it says as much about what the tornado hit as about how strong it was.

What the National Weather Service wrote

The tornado damaged two outbuildings near the initial touchdown point. It also downed trees, and the damage pattern of the trees indicated a rotary circulation. At this point the tornado moved out over a wooded and largely inaccessible area, where it may have been on the ground intermittently. Most of the structural damage occurred in about the last three quarters of a mile of the damage path. In this stretch, a few houses had chimney and roof damage. The tornado also knocked down some vertical columns on a porch overhang. The roof was blown off a cinder block garage, and three of the garage walls were collapsed.

The wider storm

A cold front with strong upper level support collided with a very moist air mass over the lower Ohio Valley. The result was a widespread outbreak of severe thunderstorms, and six confirmed tornadoes. The storms produced property damage, downed trees and power lines, and large hail.

Began near Hubers (38.0305, -85.6938).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 62568. Narratives are written by the National Weather Service forecast office that issued the report.

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