EF1 tornado in Bibb County, Alabama
Tornado April 11, 2013 · Bibb County, Alabama
The path drawn at its surveyed width of 800 yards (0.45 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.
What the National Weather Service wrote
National Weather Service meteorologists surveyed damage in southern Bibb County and have determined that the damage was due to an EF-1 tornado, with winds of 90 mph. The tornado touched down near the intersection of Abercrombie Road (County Road 51) and Harrisburg Road in the Talladega National Forest of southern Bibb County. The only structural damage occurred at the beginning of the path where a home had siding torn off. Otherwise, the damage was confined to trees. The tornado strengthened as it paralleled County Road 51, snapping or uprooting numerous trees about 3 miles along the path. The tornado continued northeast and crossed Highway 219 and Highway 82. The tornado weakened as it continued northeast across Antioch Road (County Road 20) and Highway 139. The tornado eventually lifted immediately west of the Chilton County Line on County Road 2.
The wider storm
Severe thunderstorms ahead of and along a cold front moved across Central Alabama on Thursday, April 11th. Storms along the cold front formed into a quasi-linear convective system, causing wind damage and producing seven tornadoes across the area. Ahead of the line, strong daytime heating and increasing instabilities coupled with strong diffluence aloft created prime conditions for discrete thunderstorms to form. These storms caused wind damage across portions of northeast Central Alabama during the late afternoon.
Began near Harrisburg (32.8455, -87.1709).
Other tornadoes from the same storm system
6 more tornadoes the National Weather Service filed under this storm episode.
Source: NOAA Storm Events Database, event 449847. Narratives are written by the National Weather Service forecast office that issued the report.
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