A shallow quasi-stationary frontal boundary was located from Iowa and Nebraska into portions of northern Indiana. Steep mid-level lapse rates, extreme instability (CAPES in excess of 8000 j/kg per Lincoln, IL sounding and strong mid-level flow allowed for a favorable environment for a cluster of storms over northeastern Illinois to rapidly intensify as they moved into northern Indiana.  As the line organized and cold pool became established, a upswing in wind speed was noted from Whitley county south and east through Allen county and into northwestern Ohio.  Eighty to nearly 100 mph winds caused widespread damage.

Thunderstorm Wind in LA PORTE, INDIANA
From 29-JUN-12 11:20:00 to 29-JUN-12 11:21:00 (CST-6)
Location: MICHIGAN CITY
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Local media reported numerous trees down throughout Michigan City.

Thunderstorm Wind in ST. JOSEPH, INDIANA
From 29-JUN-12 13:01:00 to 29-JUN-12 13:02:00 (EST-5)
Location: MISHAWAKA
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a large tree was blown over onto the top of a car, blocking the street. No reports of injuries were noted.

Thunderstorm Wind in ELKHART, INDIANA
From 29-JUN-12 13:04:00 to 29-JUN-12 13:05:00 (EST-5)
Location: ELKHART
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported numerous four inch diameter tree limbs down in the area of State Route 15 and U.S. 20.

Thunderstorm Wind in ELKHART, INDIANA
From 29-JUN-12 13:05:00 to 29-JUN-12 13:06:00 (EST-5)
Location: NAPPANEE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A trained spotter reported a large tree down across the road, with power lines down in the area.

Thunderstorm Wind in WELLS, INDIANA
From 29-JUN-12 13:58:00 to 29-JUN-12 13:59:00 (EST-5)
Location: LIBERTY CENTER
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported trees and power lines down.

Thunderstorm Wind in WHITLEY, INDIANA
From 29-JUN-12 13:36:00 to 29-JUN-12 13:37:00 (EST-5)
Location: WASHINGTON CENTER
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management officials reported a roof was blown off a local fire station, as well as a radio tower being blown down.

Thunderstorm Wind in ALLEN, INDIANA
From 29-JUN-12 13:50:00 to 29-JUN-12 13:51:00 (EST-5)
Location: WAYNEDALE
Magnitude: 75.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported 30 trees were blown down in a local part, with several close to two feet in diameter. Three of the trees were reported to have fallen on vehicles.

Thunderstorm Wind in FULTON, INDIANA
From 29-JUN-12 13:08:00 to 29-JUN-12 13:09:00 (EST-5)
Location: ROCHESTER
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

State police officials reported numerous trees down with widespread power outages in the Rochester area.

Thunderstorm Wind in MIAMI, INDIANA
From 29-JUN-12 13:32:00 to 29-JUN-12 13:33:00 (EST-5)
Location: DENVER
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a partially cracked tree was blown over onto a residence at County Road 935 North and Warsaw Trail North.

Thunderstorm Wind in KOSCIUSKO, INDIANA
From 29-JUN-12 13:19:00 to 29-JUN-12 13:20:00 (EST-5)
Location: WARSAW
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported multiple trees and power lines down in the Warsaw area. Estimated wind gusts of 65 to 70 mph occurred for approximately 7 minutes.

Thunderstorm Wind in WHITLEY, INDIANA
From 29-JUN-12 13:40:00 to 29-JUN-12 13:41:00 (EST-5)
Location: COLLINS
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

An off duty NWS employee reported multiple trees down along Indiana 205 in Whitley county. Healthy trees up to five feet in diameter were snapped at the base in Collins.

Thunderstorm Wind in MARSHALL, INDIANA
From 29-JUN-12 12:57:00 to 29-JUN-12 12:58:00 (EST-5)
Location: CULVER
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported small to medium size branches blown down.  In addition, a wooden sign at a local golf course was blown down.

Thunderstorm Wind in ST. JOSEPH, INDIANA
From 29-JUN-12 12:42:00 to 29-JUN-12 12:43:00 (EST-5)
Location: (SBN)MICHIANA ARPT S
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

An automated weather sensor at the South Bend Regional Airport recorded a 62 mph wind gust.

Thunderstorm Wind in ALLEN, INDIANA
From 29-JUN-12 14:00:00 to 29-JUN-12 14:01:00 (EST-5)
Location: FT WAYNE
Magnitude: 75.00 EG
Property damage: 1.00M
Crop damage: 0.00K
Reported by: Newspaper

Widespread tree, power line and pole damage occurred across the city of Fort Wayne and locations to the southeast towards the Indiana/Ohio state line. Emergency management officials report around 500 trees down around town. Local officials reported damage easily exceeding two million dollars. Damage estimates to actual property and infrastructure likely at least one million dollars.

Thunderstorm Wind in ALLEN, INDIANA
From 29-JUN-12 16:16:00 to 29-JUN-12 16:17:00 (EST-5)
Location: THURMAN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated wind gusts to 60 mph.

Thunderstorm Wind in DE KALB, INDIANA
From 29-JUN-12 13:50:00 to 29-JUN-12 13:51:00 (EST-5)
Location: SUMMIT
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported trees uprooted and limbs down in the town of Ashley.

Thunderstorm Wind in MARSHALL, INDIANA
From 29-JUN-12 13:20:00 to 29-JUN-12 13:21:00 (EST-5)
Location: TIPPECANOE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter observed multiple small tree limbs down with estimated wind gusts to 60 mph.

Thunderstorm Wind in MIAMI, INDIANA
From 29-JUN-12 13:30:00 to 29-JUN-12 13:31:00 (EST-5)
Location: PEORIA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated wind gusts to 60 mph.

Thunderstorm Wind in ELKHART, INDIANA
From 29-JUN-12 13:16:00 to 29-JUN-12 13:17:00 (EST-5)
Location: (GSH)GOSHEN ARPT
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The automated weather sensor at the Goshen Airport recorded a 61 mph wind gust.

Thunderstorm Wind in MIAMI, INDIANA
From 29-JUN-12 13:40:00 to 29-JUN-12 13:41:00 (EST-5)
Location: BUNKER HILL
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated wind gusts to 70 mph near the Grissom Air Reserve base. Shingles were observed blown off a roof in the local area.

Thunderstorm Wind in ALLEN, INDIANA
From 29-JUN-12 13:54:00 to 29-JUN-12 13:55:00 (EST-5)
Location: (FWA)BAER FLD FT WAY
Magnitude: 79.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

An automated weather sensor at the Fort Wayne International Airport recorded a 91 mph wind gust.

Thunderstorm Wind in FULTON, INDIANA
From 29-JUN-12 13:06:00 to 29-JUN-12 13:07:00 (EST-5)
Location: ROCHESTER
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated wind gusts to 65 mph. Numerous trees and tree limbs were observed down across the county.

Thunderstorm Wind in WELLS, INDIANA
From 29-JUN-12 14:08:00 to 29-JUN-12 14:09:00 (EST-5)
Location: BLUFFTON
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated wind gusts to 58 mph with trees observed blown down in the area.

Thunderstorm Wind in NOBLE, INDIANA
From 29-JUN-12 14:31:00 to 29-JUN-12 14:32:00 (EST-5)
Location: LAOTTO
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Amateur radio operators reported a large tree down across Indiana 205, forcing its temporary closure.

Thunderstorm Wind in ALLEN, INDIANA
From 29-JUN-12 14:10:00 to 29-JUN-12 14:11:00 (EST-5)
Location: WOODBURN
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

An NWS employee reported numerous trees and tree limbs broken at a residence on the 23000 block of Kammeyer Road. One tree fell onto the porch of the residence, destroying the porch. Siding damage was also observed.

Thunderstorm Wind in MIAMI, INDIANA
From 29-JUN-12 13:45:00 to 29-JUN-12 13:46:00 (EST-5)
Location: AMBOY
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported tree branches down, blocking secondary roads in Amboy.

Thunderstorm Wind in NOBLE, INDIANA
From 29-JUN-12 13:50:00 to 29-JUN-12 13:51:00 (EST-5)
Location: LAOTTO
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A large tree was reported dowm across Indiana 205, forcing its closure.

Thunderstorm Wind in ALLEN, INDIANA
From 29-JUN-12 14:02:00 to 29-JUN-12 14:03:00 (EST-5)
Location: HURSH
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported trees down.

Thunderstorm Wind in ALLEN, INDIANA
From 29-JUN-12 14:05:00 to 29-JUN-12 14:06:00 (EST-5)
Location: CONCORDIA GARDENS
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Amateur radio operators reported eight to ten inch diameter tree limbs down. In addition, 30 feet of a wooden fence was blown down and a eight foot by 12 foot shed overturned.

Thunderstorm Wind in DE KALB, INDIANA
From 29-JUN-12 14:15:00 to 29-JUN-12 14:16:00 (EST-5)
Location: AUBURN DEKALB CO ARP
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

An automated weather sensor at the Auburn Airport recorded a 63 mph wind gust.

Thunderstorm Wind in BLACKFORD, INDIANA
From 29-JUN-12 14:08:00 to 29-JUN-12 14:09:00 (EST-5)
Location: HARTFORD CITY
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management officials reported three to five foot trees blown down across the county. Windows were blown in at several residences across the county as well as roof damage to barns. Siding was ripped off several buildings and welcome signs in town were blown over.

Thunderstorm Wind in ALLEN, INDIANA
From 29-JUN-12 14:08:00 to 29-JUN-12 14:09:00 (EST-5)
Location: MONROEVILLE
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported widespread tree damage in Monroeville.

Thunderstorm Wind in GRANT, INDIANA
From 29-JUN-12 14:07:00 to 29-JUN-12 14:08:00 (EST-5)
Location: GAS CITY
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A mesonet site recorded a 58 mph wind gust.

Thunderstorm Wind in WHITLEY, INDIANA
From 29-JUN-12 13:43:00 to 29-JUN-12 13:44:00 (EST-5)
Location: COLUMBIA CITY
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a 64 mph wind gust with a large tree found uprooted in the area.

Thunderstorm Wind in ALLEN, INDIANA
From 29-JUN-12 13:38:00 to 29-JUN-12 13:39:00 (EST-5)
Location: BROOKSIDE ESTATES
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A 64 mph wind gust was recorded by a local mesonet site.

Thunderstorm Wind in WABASH, INDIANA
From 29-JUN-12 13:40:00 to 29-JUN-12 13:41:00 (EST-5)
Location: WABASH
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A 60 mph wind gust was recorded by a mesonet site at the Wabash county central dispatch.

Thunderstorm Wind in ADAMS, INDIANA
From 29-JUN-12 14:15:00 to 29-JUN-12 14:16:00 (EST-5)
Location: SAGE ARPT
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A mesonet site recorded a 64 mph wind gust.

Thunderstorm Wind in ALLEN, INDIANA
From 29-JUN-12 14:05:00 to 29-JUN-12 14:06:00 (EST-5)
Location: MEADOWBROOK
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A mesonet site recorded a 72 mph wind gust.

Thunderstorm Wind in GRANT, INDIANA
From 29-JUN-12 14:00:00 to 29-JUN-12 14:01:00 (EST-5)
Location: SHADY HILLS
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter recorded a 64 mph wind gust at the intersection of State Route 18 and County Road 325 West. A flag pole was also reported blown down in Marion.

Thunderstorm Wind in ALLEN, INDIANA
From 29-JUN-12 14:00:00 to 29-JUN-12 14:01:00 (EST-5)
Location: BROOKSIDE ESTATES
Magnitude: 76.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter recorded a 87 mph wind gusts. Large oak trees limbs were blown down, with siding blown off local residences.

Thunderstorm Wind in KOSCIUSKO, INDIANA
From 29-JUN-12 13:41:00 to 29-JUN-12 13:42:00 (EST-5)
Location: MENTONE
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported several large branches down and one tree down near Mentone on State Route 19.

Thunderstorm Wind in KOSCIUSKO, INDIANA
From 29-JUN-12 13:20:00 to 29-JUN-12 13:21:00 (EST-5)
Location: WARSAW ARPT
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

An off duty NWS employee reported two large healthy trees were blown down.

Hail in STARKE, INDIANA
From 29-JUN-12 11:43:00 to 29-JUN-12 11:44:00 (CST-6)
Location: TOTO
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MARSHALL, INDIANA
From 29-JUN-12 13:02:00 to 29-JUN-12 13:03:00 (EST-5)
Location: BURR OAK
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in KOSCIUSKO, INDIANA
From 29-JUN-12 13:20:00 to 29-JUN-12 13:21:00 (EST-5)
Location: SYRACUSE
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a two foot diameter oak tree down onto a house on North Ogden Point Road.

Thunderstorm Wind in WHITLEY, INDIANA
From 29-JUN-12 13:21:00 to 29-JUN-12 13:22:00 (EST-5)
Location: COLUMBIA CITY
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Amateur radio operators reported the top 40 feet of a 100 foot radio tower was blown down. In addition, the top two sections of a 160 foot tower were blown down.

Thunderstorm Wind in WHITLEY, INDIANA
From 29-JUN-12 13:34:00 to 29-JUN-12 13:35:00 (EST-5)
Location: COLUMBIA CITY
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

County dispatch reported multiple trees down throughout the county. Power lines were also reported down, with at least two house fires being caused by the downed lines.

Hail in MARSHALL, INDIANA
From 29-JUN-12 13:12:00 to 29-JUN-12 13:13:00 (EST-5)
Location: BREMEN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in ADAMS, INDIANA
From 29-JUN-12 14:17:00 to 29-JUN-12 14:18:00 (EST-5)
Location: PLEASANT MILLS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in ADAMS, INDIANA
From 29-JUN-12 14:24:00 to 29-JUN-12 14:25:00 (EST-5)
Location: PLEASANT MILLS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in HUNTINGTON, INDIANA
From 29-JUN-12 13:42:00 to 29-JUN-12 13:43:00 (EST-5)
Location: ANDREWS
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management officials reported a tree down on Division Road, as well as County Road 300 West near County Road 1100 North.

Hail in KOSCIUSKO, INDIANA
From 29-JUN-12 13:20:00 to 29-JUN-12 13:23:00 (EST-5)
Location: OSWEGO
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Thunderstorm Wind in ADAMS, INDIANA
From 29-JUN-12 14:05:00 to 29-JUN-12 14:06:00 (EST-5)
Location: DECATUR
Magnitude: 75.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management officials reported massive damage throughout the northern part of the county with intermittent damage across the remainder of the county. In Decatur, roofs were blown off, trucks blown over and several small fires reported, likely from downed power lines.