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EF1 tornado in Washington County, Tennessee

Tornado April 27, 2011 · Washington County, Tennessee

EF1
Rating
15.8 mi
Whole path
500 yd
Path width
6
Deaths
33
Injuries
$8.0M
Damage as recorded

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 500 yards (0.28 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

Camp Creek Tornado. By the time this tornado crossed into Washington County it had weakened to an EF1 with winds up to 100 mph. Most of the damage in Washington County for this tornado was to trees. The next tornado a couple of hours later in this same area would do much more damage.

The total length of the tornado was 15.8 miles. Earlier in the evening this same storm spawned the Ringgold/Apison Tornado.

The wider storm

Favorable atmospheric conditions resulted in a deadly tornado outbreak across east Tennessee on the 27th. The thunderstorms produced more than 50 tornadoes across the east Tennessee area with 32 deaths and more than 200 injured. The tornadoes produced from light to heavy damage to hundreds of homes and businesses. Hail as large as baseballs was also reported.

Began near Liberty (36.1419, -82.6418).

Other tornadoes from the same storm system

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

EF4 Hamilton County 20 deadEF4 Bledsoe County 4 deadEF4 Blount CountyEF4 Rhea CountyEF3 Greene County 2 deadEF2 Bradley County 4 deadEF2 Johnson County 2 deadEF2 Hamilton CountyEF2 Monroe CountyEF2 Sequatchie CountyEF2 Marion CountyEF2 Monroe CountyEF2 Washington CountyEF2 Bradley CountyEF1 Bradley County 1 deadEF1 Hamilton CountyEF1 Cocke CountyEF1 Cocke CountyEF1 Hamilton CountyEF1 Hamilton CountyEF1 Hamilton CountyEF1 Knox CountyEF1 Marion CountyEF1 McMinn CountyEF1 Monroe CountyEF1 Monroe CountyEF1 Monroe CountyEF1 Rhea CountyEF1 Sequatchie CountyEF0 Bradley Countyand 20 more

Source: NOAA Storm Events Database, event 347519. Narratives are written by the National Weather Service forecast office that issued the report.

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