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.

Tornado in ORANGE, INDIANA
From 25-MAY-11 21:22:00 to 25-MAY-11 21:27:00 (EST-5)
Location: ORLEANS ARPT
Tornado F-scale: EF2
Property damage: 150.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This tornado touched down along Highway 37 south of Orleans, uprooting and snapping several trees.  It expanded to its maximum width and strength one mile into its path, where it heavily damaged two brick homes and one wooden frame home, as well downing power lines and poles.  In this area it also did extensive damage to several outbuildings, completely destroying one barn and overturning a tractor within.  The tornado continued to the northeast, damaging another outbuilding a mile to the northeast and uprooting and snapping numerous trees before finally lifting in an open field 3/4 mile southwest of the community of Leipsic.

Thunderstorm Wind in CRAWFORD, INDIANA
From 25-MAY-11 21:15:00 to 25-MAY-11 21:15:00 (EST-5)
Location: ENGLISH
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Estimated winds on leading edge of squall line.

Thunderstorm Wind in CRAWFORD, INDIANA
From 25-MAY-11 21:27:00 to 25-MAY-11 21:27:00 (EST-5)
Location: CURBY
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Estimated 70 mph winds along leading edge of a squall line.

Thunderstorm Wind in CRAWFORD, INDIANA
From 25-MAY-11 21:30:00 to 25-MAY-11 21:30:00 (EST-5)
Location: ENGLISH
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The roof from a small outbuilding was blown off. Emergency managers reported scattered tree damage and power outages countywide.

Thunderstorm Wind in CLARK, INDIANA
From 25-MAY-11 22:23:00 to 25-MAY-11 22:23:00 (EST-5)
Location: JEFFERSONVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A 60mph wind gust was estimated at the leading edge of a squall line. Many downed trees and branches were reported from around the county.

Thunderstorm Wind in HARRISON, INDIANA
From 25-MAY-11 21:40:00 to 25-MAY-11 21:40:00 (EST-5)
Location: RAMSEY
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A spotter estimated a 65mph wind gust along leading edge of squall line.

Tornado in WASHINGTON, INDIANA
From 25-MAY-11 21:30:00 to 25-MAY-11 21:31:00 (EST-5)
Location: SALTILLO
Tornado F-scale: EF1
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This is the final stretch of the tornado that originated in Orange County, 3.1 miles northwest of Saltillo.  After clipping the extreme southeast portion of Lawrence County, it entered Washington County just south of East County Road 700 North and tracked northeastward for another 1.2 miles before dissipating at Spangler Hill Road. It caused EF-1 damage to numerous trees before lifting. The tornado's total path length was 3.2 miles.

Tornado in WASHINGTON, INDIANA
From 25-MAY-11 21:31:00 to 25-MAY-11 21:33:00 (EST-5)
Location: MT CARMEL
Tornado F-scale: EF1
Property damage: 30.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This tornado snapped and uprooted numerous trees along its 2.4 mile path.  After touching down just east of the Lawrence/Washington County line south of W Saltillo Bono Rd, it downed several trees while moving over mainly open pasture land.  Near the intersection of N Spangler Hill Rd and W Henry Brown Rd, it heavily damaged a metal outbuilding.  From here it continued northeast, downing numerous trees and power lines as it roughly paralleled N Spangler Hill Rd through forested hills before dissipating near the intersection of N Spangler Hill Rd and N White River Rd.

Tornado in ORANGE, INDIANA
From 25-MAY-11 21:28:00 to 25-MAY-11 21:29:00 (EST-5)
Location: LEIPSIC
Tornado F-scale: EF1
Property damage: 20.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Beginning in an open field less than a quarter of a mile south of the Orange/Lawrence County line, this tornado tracked northeastward for 3.2 miles across portions of three counties. Near its touch down 3.1 miles northwest of Saltillo, it destroyed a large wooden barn and uprooted several trees on the south side of Suddarth Ln before entering Lawrence County. It had a path length of 0.3 miles in Orange County.

Hail in DUBOIS, INDIANA
From 25-MAY-11 17:47:00 to 25-MAY-11 17:47:00 (EST-5)
Location: IRELAND
Magnitude: 1.75 
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in PERRY, INDIANA
From 25-MAY-11 21:40:00 to 25-MAY-11 21:40:00 (EST-5)
Location: BRISTOW
Magnitude: 56.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

Several homes in Bristow had wind damage, including the loss of siding.

Thunderstorm Wind in HARRISON, INDIANA
From 25-MAY-11 21:49:00 to 25-MAY-11 21:49:00 (EST-5)
Location: CORYDON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Sixty mph winds were estimated along leading edge of a squall line.

Tornado in DUBOIS, INDIANA
From 25-MAY-11 20:50:00 to 25-MAY-11 20:52:00 (EST-5)
Location: HUNTINGBURG
Tornado F-scale: EF2
Property damage: 100.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado touched down on in an open field on the south side of Huntingburg. It moved northeast into a residential area, uprooting and snapping numerous large trees and doing roof damage to homes and garages on the west side of Highway 231.  It damaged the roofs of several businesses along the highway before striking a mobile home park, where it completely destroyed two homes, and heavily damaged several more.  Continuing into a neighborhood of wood-frame homes, the tornado destroyed two more garages - one constructed of cinder blocks - and did minor to moderate roof damage as well as snapping and uprooting trees.  The twister then passed just north of the city's Municipal Park and over its water treatment facility, snapping and uprooting trees before crossing over an open field and dissipating near Highway 64 approximately 1 mile east of Huntingburg.

Tornado in DUBOIS, INDIANA
From 25-MAY-11 20:54:00 to 25-MAY-11 20:55:00 (EST-5)
Location: HAYSVILLE
Tornado F-scale: EF1
Property damage: 30.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

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.