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EF1 tornado in Lincoln County, Kentucky

Tornado February 28, 2011 · Lincoln County, Kentucky

EF1
Rating
8.7 mi
Path length
250 yd
Path width
$100K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 250 yards (0.14 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 NWS storm survey confirmed an EF-1 tornado with maximum wind speeds of 100 mph touched down about a mile southwest of Stanford. It traveled southeast damaging the middle school complex on Highway 27 about a mile south of Stanford. The tornado continued to damage large barns and out buildings as well as snap trees until it lifted about 2.1 miles northwest of Crab Orchard.

The wider storm

A cold front moved through southern Indiana and central Kentucky on the morning of February 28. A strong low low level jet developed ahead of this front with winds of 60-80 knots at 2-3 thousand feet, resulting in very high speed shear and storm relative helicity values. A squall line with bowing segments developed to the west of the Louisville forecast area and crossed the region during the early to mid morning hours. This line produced multiple tornadoes across the region as well as straight line wind damage.

Began near Stanford (37.5200, -84.6800).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 287073. Narratives are written by the National Weather Service forecast office that issued the report.

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