EF0 tornado in Washington County, Tennessee

Tornado July 27, 2014 · Washington County, Tennessee

EF0

Rating

7.6 mi

Whole path

300 yd

Path width

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 300 yards (0.17 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF0 means. On the Enhanced Fujita scale, EF0 is light damage: shingles and siding peeled, gutters torn, branches broken, consistent with estimated gusts of 65–85 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

An EF1 tornado occurred approximately three miles southwest of Colonial Heights with estimated peak winds around 100 mph along a 7.1 mile long path 300 yards in width. There were houses along the path with structural damage while one large barn was heavily damaged. Numerous trees were also downed in this area.

The wider storm

A potent upper-level storm system impacted the region on Sunday, July 27th, bringing several rounds of severe weather along with locally heavy rainfall. Three tornadoes were observed across east Tennessee; one classified as a strong, EF-3 tornado with winds of 140 mph. Additionally, there were several reports of straight-line wind damage and large hail up 2 to 3 inches in diameter! A storm system of this magnitude is highly unusual for this time of year due to the strength of the front and the record cool temperatures it produced in the middle of the Summer season.

Began near Rock Spgs (36.4477, -82.5498).

Other tornadoes from the same storm system

1 more tornado the National Weather Service filed under this storm episode.

EF3 Campbell County

Source: NOAA Storm Events Database, event 526274. Narratives are written by the National Weather Service forecast office that issued the report.

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