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EF2 tornado in Daviess County, Indiana

Tornado March 1, 2017 · Daviess County, Indiana

EF2

Rating

0.1 mi

Path length

30 yd

Path width

$40K

Damage as recorded

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 30 yards (0.02 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

The parent storm was moving southeast at 60 mph through southwest Daviess County, with a brief spin-up occurring along the line. This EF-2 tornado, with winds of approximately 113 mph, did damage that included walls blown out of a garage that was attached to a home, along with the destruction of a pole barn.

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 South Washington (38.5991, -87.1394).

Other tornadoes from the same storm system

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

EF2 Daviess County EF2 Lawrence County EF2 Jackson County EF1 Daviess County EF1 Lawrence County

Source: NOAA Storm Events Database, event 685157. Narratives are written by the National Weather Service forecast office that issued the report.

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