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EF1 tornado in Hickman County, Kentucky

Tornado April 3, 2018 · Hickman County, Kentucky

EF1
Rating
0.3 mi
Path length
75 yd
Path width
$30K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 75 yards (0.04 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

This very brief tornado occurred in farm country of northeast Hickman County. All walls were blown out of a chicken barn. Peak winds were estimated near 100 mph.

The wider storm

Clusters of strong to severe thunderstorms moved eastward out of southern Illinois and southeast Missouri. The storms produced four tornadoes over the far western counties of Kentucky before weakening as they moved east across the Kentucky Lake region. The most significant tornado, which occurred over Livingston County, was rated EF-2. The severe storms occurred ahead of a cold front that accelerated east-southeast toward the lower Ohio Valley. Cooling aloft ahead of a shortwave trough over the Plains, combined with diurnal heating and moist southerly winds, resulted in a corridor of convection ahead of the front. The storms weakened somewhat as they moved east across the Kentucky Lake region into slightly drier and more stable air.

Began near New Cypress (36.7416, -88.9192).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 742345. Narratives are written by the National Weather Service forecast office that issued the report.

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