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EF1 tornado in Bradley County, Tennessee

Tornado April 12, 2020 · Bradley County, Tennessee

EF1
Rating
12.9 mi
Whole path
500 yd
Path width
6
Injuries

NOAA records this tornado county by county. Its path ran through Bradley County → Bradley County → Bradley County → Polk 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

Around the time that the Cleveland 2E tornado was occluding along Julian Road, another tornado began developing south of Tasso just to the southwest of the New Friendship Cemetery. Many trees were snapped and uprooted in the cemetery, and a wooded area between the cemetery and a private residence was deforested. The tornado weakened as it moved across Chatata Valley Road before restrengthening along Cates Lane and Morgan Road where hundreds of trees were snapped or uprooted along with roof and cosmetic damage to a few single family homes and outbuildings. Similar damage continued as the tornado traveled along Baker Bridge Road before it began to weaken with its path becoming less defined. The tornado dissipated near Geren and Upper River Roads where a wider area of tree damage occurred.

The wider storm

A prolonged convective event with deep moist southerly flow in an unstable environment with strong wind shear generated supercell thunderstorms across Southeast Tennessee and Southwest North Carolina. The lengthy period of heavy rain resulted in widespread three to four inch rainfall totals across East Tennessee, Southwest North Carolina, and Southwest Virginia.

Began near Julian Chapel (35.2046, -84.7751).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 877264. Narratives are written by the National Weather Service forecast office that issued the report.

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