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EF1 tornado in Butler County, Kentucky

Tornado February 24, 2018 · Butler County, Kentucky

EF1
Rating
1.4 mi
Path length
100 yd
Path width
$20K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 100 yards (0.06 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 National Weather Service conducted a storm damage survey in Butler County Kentucky. The survey was challenging due to closed roads due to high water and trees blocking some country roads. The damage began near Ewing Road where trees were snapped and twisted. This continued along Graveltown Road where more trees were twisted and snapped and couple were uprooted. Wind speeds averaged 90 mph with a width of 75 to 100 yards.

The tornado reached its peak intensity on Highway 106 where it did significant damage to a large barn. Wind speeds increased to 95 mph with a width of 100 yards. The tornado crossed Highway 106 uprooting 2 trees and then lifted 200 yards past the highway.

The wider storm

A stalled frontal boundary interacting with highly anomalous moisture from the Gulf of Mexico interacted with multiple weather systems that brought widespread heavy rainfall and severe thunderstorms to central Kentucky February 24 through the early morning hours February 25. A Flash Flood Emergency was issued for Jefferson County, KY including Louisville metro. There were over 50 water rescues alone in Jefferson County that evening. Widespread flash flooding occurred with most streams and creeks reaching record levels.

In addition, across south central Kentucky, 7 tornadoes developed along a warm front during the afternoon and evening hours. The strongest tornado was an EF-2 that tracked over 11 miles in Logan County and tragically killed a woman in her home. As a squall line moved through during the late evening and early morning hours, damaging winds occurred across central Kentucky.

Began near Harper Xrds (37.0860, -86.8730).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 735023. Narratives are written by the National Weather Service forecast office that issued the report.

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