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EF1 tornado in Limestone County, Alabama

Tornado March 2, 2012 · Limestone County, Alabama

EF1
Rating
2.6 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 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

A tornado was up to EF-1 intensity and peak wind speeds of 100 mph began a path in the Thach community, just west of the intersection of Thach Road and Oak Grove Road. The tornado moved nearly due east paralleling Thach Road for much of it's life cycle. The tornado appeared to skip along it's path, leaving some structures and trees intact but damaging others. The tornado finally lifted east of Highway 251. Numerous softwood and hardwood trees were snapped and uprooted along the tornado path. Several homes along the path had minor structural damage with lost of shingles, siding damage, and damage to one garage. One home had more significant damage to a section of it's roof. A well-constructed barn lost most of it's roof.

The wider storm

North Alabama experienced a portion of a much larger outbreak of tornadoes and severe weather from the Ohio Valley south through the Tennessee Valley to the Gulf Coast in advance of a strong cold front. The storms came in two waves. The first began during the mid-morning hours when two tornadic supercells developed across north central Alabama. The tornadoes (one EF-3 and one EF-2) tracked rapidly east-northeast across northeast Limestone and northern Madison Counties.

During the early afternoon, numerous thunderstorms re-erupted across north Alabama, including several supercells. Most of these storms were large hail producers, in one case up to softball sized. Three additional weak tornadoes were spawned in Limestone County. There were also reports of isolated wind damage. One last band of storms rolled through parts of north central and northeast Alabama during the mid evening hours as the cold front moved through.

Began near Bethel (34.9182, -86.8581).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 361148. Narratives are written by the National Weather Service forecast office that issued the report.

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