A squall line pushed eastward across the area during the evening of the 23rd and gusts up to 80 mph resulted in numerous reports of wind damage and power outages.

Thunderstorm Wind in JOHNSON, INDIANA
From 23-MAY-11 17:00:00 to 23-MAY-11 17:00:00 (EST-5)
Location: FRANKLIN
Magnitude: 56.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Two foot diameter live trees and power lines were reported down due to damaging thunderstorm wind gusts near the intersection of North Main and Adams Streets.

Thunderstorm Wind in BARTHOLOMEW, INDIANA
From 23-MAY-11 17:05:00 to 23-MAY-11 17:05:00 (EST-5)
Location: RIVERVIEW ACRES
Magnitude: 52.00 EG
Property damage: 0.20K
Crop damage: 0.00K
Reported by: Amateur Radio

A six inch diameter tree limb was reported down due to damaging thunderstorm wind gusts.

Thunderstorm Wind in DECATUR, INDIANA
From 23-MAY-11 17:15:00 to 23-MAY-11 17:15:00 (EST-5)
Location: SARDINIA
Magnitude: 70.00 EG
Property damage: 15.00K
Reported by: Amateur Radio

A barn was reported to be destroyed near the intersection of State Route 3 and County Road 700 West.

Thunderstorm Wind in DECATUR, INDIANA
From 23-MAY-11 17:18:00 to 23-MAY-11 17:18:00 (EST-5)
Location: LETTS
Magnitude: 80.00 EG
Property damage: 45.00K
Reported by: Amateur Radio

Three grain bins were blown over near the intersection of South County Road 350 West and West County Road 850 South due to damaging thunderstorm wind gusts.

Thunderstorm Wind in HENRY, INDIANA
From 23-MAY-11 17:20:00 to 23-MAY-11 17:20:00 (EST-5)
Location: KNIGHTSTOWN
Magnitude: 52.00 MG
Reported by: Trained Spotter

A 60 mph thunderstorm wind gust was reported in this location.

Thunderstorm Wind in VIGO, INDIANA
From 23-MAY-11 15:20:00 to 23-MAY-11 15:20:00 (EST-5)
Location: PRAIRIETON
Magnitude: 52.00 EG
Property damage: 4.00K
Reported by: Amateur Radio

A 60 mph thunderstorm wind gust was reported in this location. Several trees were reported down as well.

Thunderstorm Wind in VERMILLION, INDIANA
From 23-MAY-11 15:23:00 to 23-MAY-11 15:23:00 (EST-5)
Location: CLINTON
Magnitude: 52.00 EG
Reported by: Trained Spotter

A 60 mph thunderstorm wind gust was reported in this location. Pea sized hail was also reported.

Thunderstorm Wind in SULLIVAN, INDIANA
From 23-MAY-11 15:24:00 to 23-MAY-11 15:24:00 (EST-5)
Location: PAXTON
Magnitude: 52.00 EG
Reported by: Amateur Radio

A 60 mph thunderstorm wind gust was reported in this location.

Thunderstorm Wind in KNOX, INDIANA
From 23-MAY-11 15:28:00 to 23-MAY-11 15:28:00 (EST-5)
Location: VINCENNES
Magnitude: 61.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees were reported down around Vincennes due to damaging thunderstorm wind gusts.

Thunderstorm Wind in KNOX, INDIANA
From 23-MAY-11 15:29:00 to 23-MAY-11 15:29:00 (EST-5)
Location: DECKER
Magnitude: 56.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Power outages were reported in Decker, with telephone and electric lines down at 4th Street and Church Street.

Thunderstorm Wind in KNOX, INDIANA
From 23-MAY-11 15:29:00 to 23-MAY-11 15:29:00 (EST-5)
Location: FRITCHTON
Magnitude: 52.00 EG
Reported by: Trained Spotter

A 60 mph thunderstorm wind gust was reported in this location.

Thunderstorm Wind in VIGO, INDIANA
From 23-MAY-11 15:34:00 to 23-MAY-11 15:34:00 (EST-5)
Location: BELT JCT
Magnitude: 55.00 MG
Reported by: Amateur Radio

A 63 mph thunderstorm wind gust was reported in this location.

Thunderstorm Wind in VIGO, INDIANA
From 23-MAY-11 15:36:00 to 23-MAY-11 15:36:00 (EST-5)
Location: SOUTHWOOD
Magnitude: 56.00 EG
Property damage: 28.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Shingles were reportedly pulled off several houses in the Spring Hill area of Terre Haute due to damaging thunderstorm wind gusts.

Hail in MARION, INDIANA
From 23-MAY-11 16:13:00 to 23-MAY-11 16:15:00 (EST-5)
Location: SPEEDWAY
Magnitude: 0.88 
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in MONROE, INDIANA
From 23-MAY-11 16:18:00 to 23-MAY-11 16:18:00 (EST-5)
Location: BLOOMINGTON
Magnitude: 70.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

A 70 to 80 mph thunderstorm wind gust was reported in this location, with much debris.

Thunderstorm Wind in MONROE, INDIANA
From 23-MAY-11 16:23:00 to 23-MAY-11 16:23:00 (EST-5)
Location: BROADVIEW
Magnitude: 52.00 MG
Reported by: ASOS

A 60 mph thunderstorm wind gust was reported in this location.

Thunderstorm Wind in VIGO, INDIANA
From 23-MAY-11 15:44:00 to 23-MAY-11 15:44:00 (EST-5)
Location: PRESTON
Magnitude: 56.00 EG
Property damage: 1.50K
Crop damage: 0.00K
Reported by: Amateur Radio

A tree was blocking the road near the intersection of 19th and Maple Streets due to damaging thunderstorm wind gusts. Numerous other tree limbs were down.

Thunderstorm Wind in DAVIESS, INDIANA
From 23-MAY-11 15:45:00 to 23-MAY-11 15:45:00 (EST-5)
Location: WASHINGTON
Magnitude: 61.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A 65 to 70 mph thunderstorm wind gust was reported in this location with a wall cloud. Shingles were also reported to be blown off homes.

Thunderstorm Wind in VIGO, INDIANA
From 23-MAY-11 15:45:00 to 23-MAY-11 15:45:00 (EST-5)
Location: TERRE HAUTE
Magnitude: 61.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Amateur Radio

There were numerous reports of trees down with power outages due to damaging thunderstorm wind gusts in Terre Haute.

Thunderstorm Wind in DAVIESS, INDIANA
From 23-MAY-11 15:47:00 to 23-MAY-11 15:47:00 (EST-5)
Location: BLACK OAK
Magnitude: 65.00 EG
Property damage: 25.00K
Reported by: Emergency Manager

Half of a hog barn was removed due to damaging thunderstorm wind gusts near County Roads 100 South and 350 East.

Hail in MARION, INDIANA
From 23-MAY-11 16:11:00 to 23-MAY-11 16:13:00 (EST-5)
Location: BEN DAVIS
Magnitude: 0.75 
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in MONTGOMERY, INDIANA
From 23-MAY-11 16:27:00 to 23-MAY-11 16:27:00 (EST-5)
Location: CRAWFORDSVILLE
Magnitude: 61.00 EG
Property damage: 5.00K
Reported by: Law Enforcement

Trees were reported down in this location due to damaging thunderstorm wind gusts.

Thunderstorm Wind in LAWRENCE, INDIANA
From 23-MAY-11 16:28:00 to 23-MAY-11 16:28:00 (EST-5)
Location: BUDDHA
Magnitude: 65.00 EG
Property damage: 15.00K
Reported by: Amateur Radio

A barn roof was reported to be blown off due to damaging thunderstorm wind gusts. Multiple trees were reported down as well, including a 14-inch diameter tree.

Thunderstorm Wind in MONROE, INDIANA
From 23-MAY-11 16:30:00 to 23-MAY-11 16:30:00 (EST-5)
Location: BLOOMINGTON
Magnitude: 65.00 EG
Property damage: 15.00K
Reported by: Amateur Radio

Multiple trees were reported down across Bloomington due to damaging thunderstorm wind gusts.

Hail in MARION, INDIANA
From 23-MAY-11 16:24:00 to 23-MAY-11 16:26:00 (EST-5)
Location: VALLEY MILLS
Magnitude: 1.00 
Reported by: Official NWS Observations

Thunderstorm Wind in MONROE, INDIANA
From 23-MAY-11 16:26:00 to 23-MAY-11 16:26:00 (EST-5)
Location: BLOOMINGTON
Magnitude: 52.00 EG
Property damage: 0.20K
Crop damage: 0.00K
Reported by: Amateur Radio

A four inch diameter tree branch was reported down at 10th and Walnut Streets.

Thunderstorm Wind in MARION, INDIANA
From 23-MAY-11 16:26:00 to 23-MAY-11 16:26:00 (EST-5)
Location: INDIANAPOLIS INTL AR
Magnitude: 55.00 MG
Reported by: ASOS

A 63 mph thunderstorm wind gust was measured in this location.

Thunderstorm Wind in LAWRENCE, INDIANA
From 23-MAY-11 16:26:00 to 23-MAY-11 16:26:00 (EST-5)
Location: LOGAN
Magnitude: 56.00 EG
Reported by: Trained Spotter

A 65 mph thunderstorm wind gust was reported in this location, along with one half inch hail.

Hail in MARION, INDIANA
From 23-MAY-11 16:27:00 to 23-MAY-11 16:29:00 (EST-5)
Location: FLACKVILLE
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in RUSH, INDIANA
From 23-MAY-11 17:20:00 to 23-MAY-11 17:20:00 (EST-5)
Location: CARTHAGE
Magnitude: 61.00 EG
Property damage: 1.00K
Reported by: Amateur Radio

A 70 mph thunderstorm wind gust was reported in this location, as well as a large pine tree downed.

Thunderstorm Wind in HENRY, INDIANA
From 23-MAY-11 17:30:00 to 23-MAY-11 17:30:00 (EST-5)
Location: KNIGHTSTOWN
Magnitude: 52.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Amateur Radio

An eight inch diameter tree branch was reported down on a car due to damaging thunderstorm wind gusts.

Thunderstorm Wind in DELAWARE, INDIANA
From 23-MAY-11 17:34:00 to 23-MAY-11 17:34:00 (EST-5)
Location: BETHEL
Magnitude: 61.00 EG
Reported by: Amateur Radio

A 70 mph thunderstorm wind gust was reported in this location.

Thunderstorm Wind in DELAWARE, INDIANA
From 23-MAY-11 17:47:00 to 23-MAY-11 17:47:00 (EST-5)
Location: BETHEL
Magnitude: 61.00 EG
Reported by: Amateur Radio

A 70 mph thunderstorm wind gust was reported in this location.

Thunderstorm Wind in MONTGOMERY, INDIANA
From 23-MAY-11 16:35:00 to 23-MAY-11 16:35:00 (EST-5)
Location: DARLINGTON
Magnitude: 56.00 EG
Property damage: 5.00K
Reported by: Amateur Radio

Multiple trees were reported down on County Road 625 East, one mile south of Highway 47.

Thunderstorm Wind in BROWN, INDIANA
From 23-MAY-11 16:45:00 to 23-MAY-11 16:45:00 (EST-5)
Location: NASHVILLE
Magnitude: 56.00 EG
Property damage: 1.00K
Reported by: Amateur Radio

A two foot diameter tree was downed due to damaging thunderstorm wind gusts.

Thunderstorm Wind in JACKSON, INDIANA
From 23-MAY-11 17:00:00 to 23-MAY-11 17:00:00 (EST-5)
Location: REDDINGTON
Magnitude: 56.00 EG
Property damage: 4.00K
Reported by: Fire Department/Rescue

Large tree limbs and small trees were reported down due to damaging thunderstorm wind gusts.

Thunderstorm Wind in BARTHOLOMEW, INDIANA
From 23-MAY-11 17:08:00 to 23-MAY-11 17:08:00 (EST-5)
Location: BAKALAR MUNI ARPT
Magnitude: 55.00 MG
Reported by: ASOS

A 63 mph thunderstorm wind gust was measured in this location.