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EF2 tornado in Jackson County, Indiana

Tornado March 1, 2017 · Jackson County, Indiana

EF2
Rating
0.2 mi
Path length
50 yd
Path width
$45K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 50 yards (0.03 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF2 means. On the Enhanced Fujita scale, EF2 is considerable damage: roofs torn off well-built houses, mobile homes destroyed, large trees snapped or uprooted, consistent with estimated gusts of 111–135 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

A brief EF-2 tornado, with winds up to 115 mph, touched down with the tornado lifting a garage up and partially off its foundation, turning the garage about 30 degrees, and resting it on top of a pickup truck which was in the garage. A frame ranch house next to the garage lost a substantial portion of its roof which was deposited to the northeast behind the house. Insulation from the house was splattered against the entire east wall of the house and the entire remaining roof of the east side of the home. A 25 foot trailer in the driveway was lifted, turned 180 degrees, and flipped onto its side, resting against the home.

This brief EF-2 tornado was embedded within a 12 mile long downburst path, which extended from just east of Medora to just west of Crothersville. Within this downburst path, straight line winds to at least 115 mph collapsed 3 metal transmission towers, all laying to the east. These transmission towers were about 7 miles east of the tornado path.

The wider storm

A low pressure system brought very warm and unstable air for late February and early March to central Indiana. The result was severe thunderstorms and 7 tornadoes from the 28th of February to March 1st. A surface frontal system interacted with an unstable and high shear environment to produce the severe weather.

Began near Tampico (38.7991, -86.0166).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 687142. Narratives are written by the National Weather Service forecast office that issued the report.

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