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EF1 tornado in McCracken County, Kentucky

Tornado February 24, 2018 · McCracken County, Kentucky

EF1
Rating
1.9 mi
Path length
100 yd
Path width
$85K
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

This EF-1 tornado began just south of Kentucky Highway 999 and moved northeast for about two miles. A barn was destroyed. Debris from the barn damaged a nearby house and was embedded into a small trailer over 100 yards away. Some debris was buried up to three feet deep. Another outbuilding was destroyed. As the tornado crossed Highway 999, it damaged the roofs of two homes. A garage between the two homes had windows broken, and the west side of the building was pushed out. Numerous trees were snapped and uprooted along the path of the tornado. There was an eyewitness account of the tornado. Peak winds were estimated near 100 mph.

The wider storm

An outbreak of severe thunderstorms and tornadoes occurred across western Kentucky. Most of the severe weather was along and south of a Paducah to Madisonville line. North of that line, serious flash flooding resulted in a fatality. A surface low pressure center tracked rapidly north-northeast from Arkansas to the upper Mississippi Valley, dragging a warm front north across western Kentucky. Instability was adequate for tornadoes and severe storms in the presence of very strong wind shear. A very moist air mass resulted in heavy rainfall, which produced localized flash flooding due to the water-logged ground. Locally 5 to 6 inches of rain had fallen over the previous week. Rainfall rates in these thunderstorms were locally one-half to one inch per hour.

Began near St Johns (36.9898, -88.6588).

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 735568. Narratives are written by the National Weather Service forecast office that issued the report.

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