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EF0 tornado in Grant County, Kentucky

Tornado January 12, 2023 · Grant County, Kentucky

EF0
Rating
0.3 mi
Path length
50 yd
Path width
$150K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 50 yards (0.03 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF0 means. On the Enhanced Fujita scale, EF0 is light damage: shingles and siding peeled, gutters torn, branches broken, consistent with estimated gusts of 65–85 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 appeared to first touch down at a residence along Arlington Court, where part of the roof was removed. Shingles, roof sheathing and insulation were lifted and blown several hundred yards to the east northeast of the residence. Minor siding and roof damage occurred to a neighboring house. In addition, insulation from the first house was back spattered on the east facing garage of the second house.

The tornado continued to track east northeast across Arnie Risen Boulevard, where a tree was downed and a street sign was bent to the ground. The tornado then crossed a tree line, where several trees and large branches were downed, before it crossed a set of railroad tracks and U.S. Route 25. Just east of here, a steel warehouse building suffered partial roof uplift and roof damage. Two door frames on opposite sides of the building were blown inward and a large steel cross beam was bent from the apparent roof uplift. In addition, the soffit around the building was damaged. This appeared to be the peak intensity of the tornado where winds of 85 mph were estimated.

The wider storm

Thunderstorms developed during the morning hours ahead of a low pressure system moving through the Ohio Valley.

Began near Dry Ridge (38.6581, -84.5797).

Source: NOAA Storm Events Database, event 1064552. Narratives are written by the National Weather Service forecast office that issued the report.

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