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EF0 tornado in Etowah County, Alabama

Tornado December 29, 2021 · Etowah County, Alabama

EF0
Rating
1.2 mi
Path length
100 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 100 yards (0.06 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 southern Etowah County and determined that it was consistent with an EF0 tornado, with maximum winds near 75 mph. A tornado touched down just southwest of the intersection of Lonesome Bend Road and Baldwin Street and produced minor roof damage at Glencoe Middle School. The tornado tracked northeast across Lonesome Bend Road, snapping a few trees and causing shingle damage along Stone Street. The tornado uprooted some softwood trees, peeled back the roof of a barn, and shifted a travel trailer just west of Pineview Avenue. After crossing Pineview Avenue, a small shed was destroyed and some minor roof damage was observed to a home before dissipating.

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 Glencoe (33.9681, -85.9351).

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 993669. Narratives are written by the National Weather Service forecast office that issued the report.

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