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EF0 tornado in Marion County, Alabama

Tornado November 29, 2016 · Marion County, Alabama

EF0
Rating
10.6 mi
Path length
150 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 150 yards (0.09 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 Marion County near Twin and determined that the damage was consistent with an EF-0 tornado, with maximum winds estimated near 75 mph.

The tornado touched down about 3 miles north of Gu-Win, or just southwest of the Twin Community on County Road 250. The tornado damage was light and mainly consisted of tree and tree branch damage northeastward across County Road 3, Alabama Highway 253 and up to Interstate 22. The tornado proceeded northeastward and crossed County Road 95, County Road 36 and Vinston Road. More tree and tree branch damage was done on this part of the path. The tornado then passed Piney Grove Road, Alabama Highway 129 and lifted near County Road 170. More light tree damage occurred and a few outbuildings sustained damage in this area.

The wider storm

A warm front moved northward during the day on Tuesday, November 29th, and surface temperatures climbed into the 70s across north Alabama. Low level shear and storm relative helicity increased over west Alabama Tuesday evening and discrete supercells developed over west Alabama.

Began near Twin (34.0002, -87.8754).

Other tornadoes from the same storm system

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

EF2 Winston CountyEF2 Winston CountyEF1 Pickens CountyEF1 Winston CountyEF1 Lamar CountyEF1 Marion CountyEF1 Marengo CountyEF1 Lee CountyEF0 Fayette County

Source: NOAA Storm Events Database, event 668074. Narratives are written by the National Weather Service forecast office that issued the report.

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