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EF1 tornado in Dekalb County, Alabama

Tornado April 29, 2014 · Dekalb County, Alabama

EF1
Rating
1.1 mi
Path length
200 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 200 yards (0.11 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

Damage was first noted just south of Bird Dog Trail at the southern end of a large farmstead. Numerous trees were snapped and uprooted and a large 40 by 50 feet barn was destroyed. This brief tornado appeared to be at its peak intensity near this location with estimated winds of 100 mph. It should be noted that the barn damage was cleaned up at the time of the survey, but the homeowner confirmed the barn had totally collapsed. Several trees were snapped adjacent to the west side of a house which had no major damage. The short lived tornado moved northeast with additional trees snapped or uprooted just across Bird Dog Trail (north side). Two by fours and tin from the barn was seen here on the ground and in the trees. The homeowner also noted that tin from the barn was seen here on the ground and in the trees. The homeowner also noted that tin from the barn roof was tossed to at least the end of the tree line, which is approximately 1/3 of a mile away. The tornado then crossed a rural/forested area to the intersection of Pumpkin Center Road and CR 153/Fletcher Road. Small to medium sized branches were brought down at the southwest corner of this intersection. No additional damage was seen downstream from this location but very limited road access existed.

The wider storm

A tornado outbreak occurred during the late afternoon and evening across the central Tennessee Valley on the 28th. Several cyclic supercells produced tornadoes, some of which were strong. Very heavy rainfall occurred in some areas as well. In particular, up to 5 inches fell in just a few hours which led to severe flash flooding in Valley Head.

An additional round of thunderstorms late in the day/evening of the 29th produced a few reports of damaging winds and hail.

Began near Adamsburg (34.4282, -85.6466).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 506416. Narratives are written by the National Weather Service forecast office that issued the report.

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