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EF1 tornado in Jefferson County, Alabama

Tornado April 28, 2014 · Jefferson County, Alabama

EF1
Rating
12.1 mi
Whole path
913 yd
Path width

NOAA records this tornado county by county. Its path ran through Tuscaloosa County → Jefferson County → Jefferson County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 913 yards (0.52 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

The tornado touched down approximately one quarter of a mile north of Alice Road and to the northeast where it snapped and uprooted hundreds of trees along the path. It continued nearly parallel to Blue Creek Road traveling over private property where it continued to produce damage. The tornado crossed Valley Creek with winds of 105 mph where additional trees were snapped or uprooted. It continued on its northeast path and eventually crossed Johns Road where several trees were snapped. The tornado lifted approximately one-tenth of a mile northeast of Sunnyhill Drive.

The wider storm

A large scale severe weather event began Saturday, April 26 and ended Wednesday, April 30th, producing several waves of severe weather from the Central Plains eastward through the Deep South, and across a significant portion of the eastern United States. Strong and violent tornadoes, very large hail, flash flooding, and damaging straight line winds accompanied this dynamic storm system. The most tornadoes occurred across the Deep South as the system moved into Mississippi and Alabama on Monday, April 28th. Supercell thunderstorms developed during the afternoon over eastern Mississippi and northwest Alabama in the warm sector well ahead of a cold front. The activity slowly spread east and southeast overnight, with this wave of severe storms ending early Tuesday morning. Storms redeveloped late Tuesday afternoon and moved into Central Alabama. A large area of rainfall across the northern Gulf Coast limited the amount of instability across the area, and storms remained below severe limits. The last wave of severe weather occurred early Wednesday morning across the south as an isolated storm produced large hail, as the system finally pulled east of the area.

Began near Weller (33.3162, -87.1110).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 523004. Narratives are written by the National Weather Service forecast office that issued the report.

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