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EF1 tornado in Daviess County, Indiana

Tornado March 1, 2017 · Daviess County, Indiana

EF1

Rating

0.0 mi

Path length

30 yd

Path width

$35K

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 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

This EF-1 tornado, with winds estimated at 110 mph, produced damage at this location that included moving an unattached, not anchored garage off it's foundation a few feet. Also, a camper was lifted and blown approximately 30 yards, hitting the house and then destroyed.

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 Cannelburg (38.6443, -87.0011).

Other tornadoes from the same storm system

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

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

Source: NOAA Storm Events Database, event 687137. Narratives are written by the National Weather Service forecast office that issued the report.

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