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EF2 tornado in Christian County, Kentucky

Tornado January 30, 2013 · Christian County, Kentucky

EF2
Rating
10.0 mi
Whole path
200 yd
Path width
$400K
Damage as recorded

NOAA records this tornado county by county. Its path ran through Christian County → Christian County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 200 yards (0.11 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF2 means. On the Enhanced Fujita scale, EF2 is considerable damage: roofs torn off well-built houses, mobile homes destroyed, large trees snapped or uprooted, consistent with estimated gusts of 111–135 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

The peak winds in the tornado were estimated near 120 mph. The average damage path width was about 150 yards. Three homes sustained major damage. A two-story Amish home had its entire roof system removed, and a window was blown out. A block wall milk barn was levelled except for part of the north wall. A machine shop was unroofed, and a barn was levelled. Numerous trees were snapped or uprooted. Trained spotters observed light debris in the air near Herndon.

The wider storm

A line of thunderstorms intensified as it moved east from Missouri. The storms increased as they moved into slightly more unstable air associated with a strengthening low level jet. The storms were aided by the approach of a strong upper level trough. Despite weak instability, winds of 90 knots in the lowest 3 kilometers coupled with extreme shear values resulted in damaging winds and isolated tornadoes with the strongest storms. Ahead of the thunderstorms, strong southerly gradient winds gusted up to 45 mph, mainly along and southeast of a line from Owensboro to Murray.

Began near Garretsburg (36.6800, -87.5600).

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 424828. Narratives are written by the National Weather Service forecast office that issued the report.

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