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EF0 tornado in Lamar County, Alabama

Tornado December 29, 2021 · Lamar County, Alabama

EF0
Rating
17.5 mi
Whole path
300 yd
Path width

NOAA records this tornado county by county. Its path ran through Lamar County → Marion 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

National Weather Service meteorologists surveyed damage in northern Lamar County and determined that it was consistent with an EF0 tornado, with maximum winds near 75 mph. The tornado touched down southwest of the town of Beaverton near Highway 77, about one-quarter of a mile north of Highway 278. The tornado tracked east across Highway 278 producing sporadic tree damage as it crossed Turkey Branch Road and Markham Road. A small barn was also damaged in this area. The tornado then crossed into far southwestern Marion County near Reese Road.

The wider storm

A line of storms with embedded supercells developed south of an outflow boundary ahead of a slow-moving cold front, producing damaging winds and several tornadoes across the northern portions of central Alabama during the evening hours on December 29th. The surface boundary shifted into the southern counties of central Alabama on December 30th. The low level shear was not favorable for tornadoes, but the storms were robust enough to produce damaging winds and large hail.

Began near Crews (33.9167, -88.0816).

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 993666. Narratives are written by the National Weather Service forecast office that issued the report.

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