EF3 Tornado — Franklin, Tennessee

2011-04-27 · near Huntland, Franklin, Tennessee

Event narrative

A long track tornado continued from southeast Lincoln County. The tornado produced damage south of Huntland. Isolated and minor EF-0 tree damage was noted at the intersection of John Hunter Highway (State Route 122) and Limestone Road near the Lincoln/Franklin County line.

More significant damage was noted, starting about 1.4 miles south southwest of Huntland. A cinder block building suffered damage to its flat adobe roof, with some of blocks near the roof (around 20 feet off of the ground) pushed out, resulting in EF-2 damage. Surveyors could not directly examine the roof given this building was on the highest ground in the vicinity. Nearby, a single family home of cinder block construction had its roof totally removed, with another home about 1000 feet away having significant roof damage, with over one half of its roof removed, and some shifting off of its foundation. Damage with the latter was consistent with high end EF-2 damage. A chicken building with metal girding, nearby the second home, was completely flattened, consistent with EF-2 damage. A farm complex south of Hickory Grove Road had damage to a number of structures there. The home and the main car garage had part of their roofs removed. A barn that was protecting bales of hay was destroyed, with a few bales blown approximately 100-200 feet from their original location. The worst damage was noted with lower end EF-3 damage to a cinder block utility building about 200 feet south of the primary residence. Most of its roof was removed, with over half of its downwind wall pushed outward. An older barn nearby suffered lesser EF-0 damage to its roof, while the top half of a silo near that barn was missing. Another barn structure was completely destroyed northwest of the primary home. The width at this point was approximately 1/4 mile. Other damage was noted near the intersection of Hickory Grove Road and Sugar Cove Road, with EF-1 damage to some heavy farm equipment and EF-0 roof damage to a nearby barn. Scattered trees were downed to the northeast, with 8 inch fence posts, anchored 18 inches deep, pulled up near Hickory Grove and Buncombe Road. There was evidence the tornado continued toward the mountains a few miles further east, with some trees damaged along the ridge.

Wider weather episode

A powerful storm system roared across the Southeast United States on Wednesday, April 27, 2011. This storm system would be responsible for one of the largest and deadliest tornado outbreaks to ever impact much of the southeastern region.

The powerful storm system that affected the National Weather Service, Huntsville service area would actually occur in three separate waves of severe weather that day. The first occurred during the early morning hours of April 27, 2011 roughly between the hours of 2 AM and 8 AM CDT, while the second occurred during the late-morning to early afternoon period. The third and most devastating wave occurred during the afternoon hours on Wednesday, with some of the most violent and destructive tornadoes to affect the central Tennessee Valley area in recent decades.

While the majority of the analysis and survey work conducted by the National Weather Service, Huntsville and its partners have been completed, there will undoubtedly be countless research studies conducted by both academia and operational personnel in order to further evaluate and understand the complex processes associated with this near unprecedented severe weather outbreak.

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Source: NOAA Storm Events Database, event_id 301945. Narrative written by the NWS forecast office that issued the report.