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EF1 tornado in Dubois County, Indiana

Tornado May 25, 2011 · Dubois County, Indiana

EF1
Rating
1.9 mi
Path length
60 yd
Path width
$30K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 60 yards (0.03 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

The tornado touched down in an open field 1.6 miles west of Haysville, destroying a metal outbuilding. After traveling over primarily open farmland - snapping trees in wooded areas along the way - the tornado entered the west side of Haysville. It uprooted and snapped the trunks of several more trees before tearing off the roof of a modular home just north of St. Paul's Lutheran Church. The tornado continue east of Highway 231, snapping trees and downing power lines before dissipating in an open field east of town.

(thoughbefore estroying an An EF-1 Tornado touched down 1.6 miles west of Haysville and lifted just east of Haysville.

The wider storm

Warm humid air in place across the Lower Ohio Valley ahead of deep closed low over Missouri led to widespread severe weather across the lower Missouri Valley and Indiana. A squall line developed across southern Illinois and western Kentucky during the afternoon hours on May 25th and raced across southern Indiana at around 45 mph during the evening and early morning hours on the 26th. Widespread wind damage was reported with frequent reports of 60 to 70 mph winds. A bow echo brought several embedded tornadoes across Dubois, Orange, and Washington counties in southern Indiana.

Began near Haysville (38.4824, -86.9452).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 294648. Narratives are written by the National Weather Service forecast office that issued the report.

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