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EF0 tornado in Walker County, Alabama

Tornado November 30, 2022 · Walker County, Alabama

EF0
Rating
2.0 mi
Path length
50 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 50 yards (0.03 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

A NWS Birmingham survey team was able to find very minor and spatially isolated timber damage along Tutwiler Road. This was the only damage observed on the survey. Radar data indicated a weak TVS northwest of Highway 69 in an inaccessible area.

The wider storm

A very dynamic and deepening low pressure system moved through the Ohio Valley states on November 29-30 with a trailing cold. The air mass across Central Alabama was initially stable during the day on November 29th with surface dewpoints in the 40s and 50s. Instability increased dramatically the evening of the 29th as 60 plus surface dewpoints advected northward into Central Alabama. A QLCS developed ahead of the approaching cold front in addition to discrete thunderstorms.

Began near Dixie Spgs (33.6237, -87.3830).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 1066383. Narratives are written by the National Weather Service forecast office that issued the report.

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