EF1 tornado in Lyon County, Kentucky
Tornado April 25, 2011 · Lyon County, Kentucky
NOAA records this tornado county by county. Its path ran through Lyon County → Caldwell County; the totals above are for the whole tornado.
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 the National Weather Service wrote
The intermittent damage path began along Highway 373, producing mainly tree damage. Further northeast, barns and trees were damaged, along with shingles off roofs. Peak winds were estimated near 95 mph. The average path width was 75 yards. The tornado continued northeast into Caldwell County.
The wider storm
A pronounced mid-level shortwave trough and associated 70 to 80 knot mid-level jet progressed northeastward from the southern Plains across Arkansas and Missouri. An associated surface low developed northeastward from southwest Missouri toward northwest Illinois. A gradual increase in the warm sector southerly low level jet occurred as the surface low deepened. Increasing vertical wind shear in the moist and unstable warm sector resulted in organized severe storms. The storms were organized into bowing lines with embedded supercell structures.
Began near Eddyville (37.0756, -88.1021).
Other tornadoes from the same storm system
4 more tornadoes the National Weather Service filed under this storm episode.
Source: NOAA Storm Events Database, event 290388. Narratives are written by the National Weather Service forecast office that issued the report.
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