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EF0 tornado in Graves County, Kentucky

Tornado December 6, 2021 · Graves County, Kentucky

EF0
Rating
9.6 mi
Whole path
300 yd
Path width
$229K
Damage as recorded

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 300 yards (0.17 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF0 means. On the Enhanced Fujita scale, EF0 is light damage: shingles and siding peeled, gutters torn, branches broken, consistent with estimated gusts of 65–85 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

Along the Graves County portion of the path, many large tree branches were down. The short portion of the path in Graves County was rated EF-0. The tornado then proceeded into Calloway County.

The wider storm

A strong cold front moved through the region, preceded by numerous thunderstorms during the evening hours on December 5th and into the early morning on the 6th. Large hail, a few tornadoes, and an isolated damaging wind event accompanied the strongest storms. There were four tornadoes that touched down in the Tennessee border counties of western Kentucky. A loose clustering of storms and embedded supercells caused most of the severe weather in the evening. Overnight, the severe weather was mostly in the form of a convective line with embedded mesoscale circulations. The severe storm environment was characterized by weak instability but very strong wind shear.

Began near Tri City (36.5900, -88.5300).

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 989688. Narratives are written by the National Weather Service forecast office that issued the report.

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