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EF1 tornado in Trigg County, Kentucky

Tornado February 5, 2008 · Trigg County, Kentucky

EF1

Rating

5.6 mi

Path length

150 yd

Path width

$60K

Damage as recorded

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 150 yards (0.09 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

Peak winds were estimated near 105 mph. The average path width was 120 yards. The roof was partially blown off of one home, shingle and minor damage occurred to other homes, trees were uprooted and snapped, and a barn was shifted slightly off its foundation.

The wider storm

A deepening low pressure system moved northeast from Arkansas along a warm front that extended across southeast Missouri and southern Illinois. Surface dew points were in the upper 50's to lower 60's along and southeast of the warm front. A strong upper level trough over the western Plains produced a strong southwest flow of 60 to 80 knots at 500 mb. Winds at 850 mb were south to southwest around 40 knots.

Began near Maple Grove (36.8062, -87.8800).

Other tornadoes from the same storm system

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

EF3 Muhlenberg County 3 dead EF2 Christian County EF1 Calloway County EF1 Trigg County

Source: NOAA Storm Events Database, event 76640. Narratives are written by the National Weather Service forecast office that issued the report.

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