Despite broken cloud cover across much of the region, unstable conditions took shape ahead of a cold front that moved southeast into the region. Isolated thunderstorms developed along the front and moved east, eventually expanding into a broken line that occasionally took on a bowing structure. Additional storms moved out of central Indiana and intersected the line, causing area of not only enhanced damage, but a brief EF1 that impacted the southern side of Peru.

Thunderstorm Wind in HUNTINGTON, INDIANA
From 10-JUL-13 12:30:00 to 10-JUL-13 12:31:00 (EST-5)
Location: BIPPUS
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management officials reported a large tree limb was blown down, blocking part of County Road 750 West, north of US-24.

Thunderstorm Wind in GRANT, INDIANA
From 10-JUL-13 12:50:00 to 10-JUL-13 12:51:00 (EST-5)
Location: SHADY HILLS
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported numerous trees were blown down in Marion as well as across the county.

Thunderstorm Wind in GRANT, INDIANA
From 10-JUL-13 12:50:00 to 10-JUL-13 12:51:00 (EST-5)
Location: SHADY HILLS
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management officials reported a tree was blown down onto Lawson Road, near State Route 15.

Thunderstorm Wind in BLACKFORD, INDIANA
From 10-JUL-13 13:04:00 to 10-JUL-13 13:05:00 (EST-5)
Location: ROLL
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported 10 to 15 three to four foot diameter trees were uprooted, as well as a two foot diameter tree being snapped.

Thunderstorm Wind in BLACKFORD, INDIANA
From 10-JUL-13 13:05:00 to 10-JUL-13 13:06:00 (EST-5)
Location: HARTFORD CITY
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a tree was uprooted, with several large tree limbs blown down.

Thunderstorm Wind in BLACKFORD, INDIANA
From 10-JUL-13 13:05:00 to 10-JUL-13 13:06:00 (EST-5)
Location: MONTPELIER
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Amateur radio operators reported numerous large trees were blown down.

Thunderstorm Wind in JAY, INDIANA
From 10-JUL-13 13:08:00 to 10-JUL-13 13:09:00 (EST-5)
Location: PENNVILLE
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

County officials reported widespread tree and power lines down over the northern half of the county, with some roads blocked from debris.

Thunderstorm Wind in JAY, INDIANA
From 10-JUL-13 13:18:00 to 10-JUL-13 13:19:00 (EST-5)
Location: PORTLAND
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management officials reported several trees were blown down onto camper trailers, with power lines laid out across trailers. Tents were blown over at the Jay county fair. No injuries were reported.

Thunderstorm Wind in JAY, INDIANA
From 10-JUL-13 13:28:00 to 10-JUL-13 13:29:00 (EST-5)
Location: PORTLAND
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

County officials reported two utility poles were blown down.

Thunderstorm Wind in MARSHALL, INDIANA
From 10-JUL-13 11:21:00 to 10-JUL-13 11:22:00 (EST-5)
Location: BOURBON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public estimated a 60 mph wind gust. Pea sized hail and very heavy rain was reducing visibility to near zero.

Thunderstorm Wind in WHITLEY, INDIANA
From 10-JUL-13 11:53:00 to 10-JUL-13 11:54:00 (EST-5)
Location: TUNKER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Local fire officials estimated 60 mph winds at County Road 200 West and State Route 114. Pea size hail also occurred.

Thunderstorm Wind in GRANT, INDIANA
From 10-JUL-13 12:45:00 to 10-JUL-13 12:46:00 (EST-5)
Location: SHADY HILLS
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter measured a 64 mph wind gust and observed large tree limbs down.

Thunderstorm Wind in GRANT, INDIANA
From 10-JUL-13 12:45:00 to 10-JUL-13 12:46:00 (EST-5)
Location: SHADY HILLS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated a 60 mph wind gust.

Thunderstorm Wind in MIAMI, INDIANA
From 10-JUL-13 12:45:00 to 10-JUL-13 12:46:00 (EST-5)
Location: (GUS)GRISSOM AFB PER
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The automated weather sensor at the Grissom Air Reserve base recorded a 70 mph wind gust.

Thunderstorm Wind in BLACKFORD, INDIANA
From 10-JUL-13 13:04:00 to 10-JUL-13 13:05:00 (EST-5)
Location: ROLL
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter measured an 80 mph wind gust before the anemometer broke.

Thunderstorm Wind in BLACKFORD, INDIANA
From 10-JUL-13 13:07:00 to 10-JUL-13 13:08:00 (EST-5)
Location: RENNER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management officials estimated a 60 mph wind gust at the intersection of County Roads 200 North and 200 West.

Thunderstorm Wind in MARSHALL, INDIANA
From 10-JUL-13 11:00:00 to 10-JUL-13 11:01:00 (EST-5)
Location: DONALDSON
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported numerous uprooted trees in the area.

Thunderstorm Wind in MARSHALL, INDIANA
From 10-JUL-13 11:03:00 to 10-JUL-13 11:04:00 (EST-5)
Location: PLYMOUTH
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported a tree was partially blown down onto a garage in Plymouth.

Thunderstorm Wind in KOSCIUSKO, INDIANA
From 10-JUL-13 11:35:00 to 10-JUL-13 11:36:00 (EST-5)
Location: WARSAW
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported a one foot diameter tree limb down onto a residence.

Thunderstorm Wind in KOSCIUSKO, INDIANA
From 10-JUL-13 11:42:00 to 10-JUL-13 11:43:00 (EST-5)
Location: SYRACUSE
Magnitude: 58.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

An off duty NWS employee reported three tree branches that were one to two feet in diameter were found along State Route 14. A one foot diameter tree was snapped 15 feet above the base of the tree.

Thunderstorm Wind in HUNTINGTON, INDIANA
From 10-JUL-13 12:25:00 to 10-JUL-13 12:26:00 (EST-5)
Location: ANDREWS
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management officials reported a large tree limb was blown down, blocking a portion of Maple Grove road, east of State Route 105.

Thunderstorm Wind in CASS, INDIANA
From 10-JUL-13 12:30:00 to 10-JUL-13 12:31:00 (EST-5)
Location: WALTON
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management officials reported widespread tree and power line damage from Walton to Onward.

Thunderstorm Wind in HUNTINGTON, INDIANA
From 10-JUL-13 12:30:00 to 10-JUL-13 12:31:00 (EST-5)
Location: HUNTINGTON
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management officials reported a tree was blown down, blocking Rangeline Road, west southwest of Huntington.

Tornado in MIAMI, INDIANA
From 10-JUL-13 12:28:00 to 10-JUL-13 12:33:00 (EST-5)
Location: NEAD
Tornado F-scale: EF1
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A NWS storm survey indicated a circulation touched down in a corn field south of US-24 to the west of CountryMark refinery.  The tornado then traveled along US-24 between South Cook Street and South Park Ave.  Extensive tree damage was noted along the path with numerous uprooted or snapped trees.  Minor roof or structural damage was noted in several houses where trees had fallen onto the roofs.  Several businesses sustained minor facade or roof damage.  The tornado then crossed the Wabash River and then uprooted 30 to 40 large, healthy trees in Maconaquah Park.  The tornado continued across State Road 19 between Astrup Dr. and Parkway Terrace and then hit a grove of trees behind a church before lifting shortly thereafter.  A 77 year old woman suffered a mild concussion as a result of her vehicle being flipped in the tornado.  Eyewitnesses reported that she had just taken off her seat belt and was getting ready to go into the store when the strong winds impacted her van.  Another person suffered a minor foot injury.

Thunderstorm Wind in KOSCIUSKO, INDIANA
From 10-JUL-13 11:35:00 to 10-JUL-13 11:36:00 (EST-5)
Location: LEESBURG
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Social media pages indicated that several trees and tree limbs were blown down in the town of Leesburg.