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EF1 tornado in St. Clair County, Alabama

Tornado December 29, 2024 · St. Clair County, Alabama

EF1
Rating
1.5 mi
Path length
325 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 325 yards (0.18 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

NWS Birmingham storm survey has determined an EF-1 tornado impacted and area southwest of Pell City, mainly on Roberts Mill Pond Road. Several areas of timber damage occurred, generally snapping and uprooting of hardwood trees, north of Highway 27. A chicken farm sustained significant damage, with at least five structures impacted. Debris was thrown at least 300 yards downstream. The tornado continued northeast toward Steward Road causing additional less significant timber damage dissipating thereafter. Maximum estimated winds were 110 mph.

The wider storm

A quasi-linear convective system (QLCS) entered western Alabama from Mississippi just after 9 PM on December 28. With ample wind shear and adequate instability with the line as it passed through Central Alabama, 18 confirmed tornadoes were spawned within different line segments as the QLCS pushed eastward. Of the 18 tornadoes, 6 were rated EF1, including one that had a mile-wide path in Hale County near Sawyerville and two tornadoes that struck areas of central Montgomery County. An EF0 in Lowndes County resulted in two injuries. In addition, strong gusts associated with the QLCS resulted in scattered areas of non-tornadic wind damage.

Began near Eden (33.5678, -86.3477).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 1222522. Narratives are written by the National Weather Service forecast office that issued the report.

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