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EF1 tornado in Oldham County, Kentucky

Tornado April 12, 2019 · Oldham County, Kentucky

EF1
Rating
8.3 mi
Path length
300 yd
Path width
$100K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 300 yards (0.17 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

An EF-1 tornado tracked 8.3 miles across Oldham County with a maximum path width of 300 yards. The tornado mostly did damage to the upper halves of several trees along its path. There were a couple of areas where it fully descended to the surface and caused more widespread damage. Along Shelburn Dr, a front porch with four columns was lifted, collapsing the columns and throwing the front half of the roof 100 yards to the northeast. The last visible damage was on Georgie Way, occurring 9 minutes after the start time.

The wider storm

A strong cold front moved through central Kentucky on the morning of April 12th. Ahead of the front, temperatures were in the 70, and behind it temperatures dropped into the 50s. Besides dropping temperatures, the front brought a line of thunderstorms with damaging winds in addition to a small tornado.

Began near Frazertown (38.3237, -85.5185).

Source: NOAA Storm Events Database, event 818067. Narratives are written by the National Weather Service forecast office that issued the report.

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