A combination of strong dynamics, wind shear, and rapid low level moisture return all combined to produce severe weather across much of Northern Indiana. One of several supercell thunderstorms produced a long tracked tornado which reached the high end of EF3.

Hail in PULASKI, INDIANA
From 18-OCT-07 16:54:00 to 18-OCT-07 16:55:00 (CST-6)
Location: DENHAM
Magnitude: 1.75 
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Golf ball hail significantly damaged a car. Damage is estimated at around $10,000.

Tornado in ELKHART, INDIANA
From 18-OCT-07 21:19:00 to 18-OCT-07 21:29:00 (EST-5)
Location: NAPPANEE
Tornado F-scale: EF3
Property damage: 11.00M
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado continued northeast out of Kosciusko County into the southeast side of Nappanee where the most extensive damage occurred.  The width of the tornado decreased to one quarter mile and intensified just south of US-6 and County Road 7 as wind speeds increased to around 165 mph, in the upper range of the EF3 rating. The tornado went through an area populated by homes, restaurants, convenience stores and 3 RV plants, all of which sustained varying degrees of damage. Local officials reported that 459 buildings were damaged. Of these, 352 were homes with 52 of those being destroyed or uninhabitable. 81 businesses were damaged and 26 destroyed. A few minor injuries were also reported, mainly from people trapped in some of the houses and a few businesses. The tornado continued into the Blackstone subdivision where numerous homes were damaged or destroyed. The tornado continued to west of New Paris near the intersection of County Roads 46 and 17 where it lifted. Numerous vehicles of all varieties sustained severe damage. Damage is estimated around $11 million.

Tornado in KOSCIUSKO, INDIANA
From 18-OCT-07 21:13:00 to 18-OCT-07 21:19:00 (EST-5)
Location: NAPPANEE
Tornado F-scale: EF2
Property damage: 3.00M
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado continued tracking northeast from Marshall county into extreme northwestern Kosciusko county. 116 structures were reported to have some sort of damage. 17 homes were destroyed, 6 suffered major damage and 17 minor damage. A horse was killed in a barn that was destroyed. Damage estimated around 3 million dollars.

Tornado in MARSHALL, INDIANA
From 18-OCT-07 21:05:00 to 18-OCT-07 21:13:00 (EST-5)
Location: INWOOD
Tornado F-scale: EF2
Property damage: 600.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado touched down near the intersection of 12B and Gumwood Roads, just west of Bourbon. Initial damage comprised of damage to shingles on a few roofs as well as some tree damage. As the tornado moved northeast and intensified it blew down a 3/8 mile long stretch of power poles. A total of 16 homes suffered damage from the tornado, 3 were destroyed, 1 suffered major damage and 12 suffered minor damage. Some barns, storage sheds, silos and garages suffered damage of varying degrees as well. The tornado reached the higher end of EF2 as it entered into Kosciusko County. A Bourbon Fire Department grass truck crashed into a ditch during the storm, with the driver being taken to the hospital for unknown injuries. It is not known as to why the crash occurred. 3 other non-specific minor injuries were reported. Damage is estimated at around $600,000.

Hail in PULASKI, INDIANA
From 18-OCT-07 16:57:00 to 18-OCT-07 16:58:00 (CST-6)
Location: BEARDSTOWN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in STARKE, INDIANA
From 18-OCT-07 17:05:00 to 18-OCT-07 17:06:00 (CST-6)
Location: STARKE CO ARPT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in STARKE, INDIANA
From 18-OCT-07 17:05:00 to 18-OCT-07 17:06:00 (CST-6)
Location: STARKE CO ARPT
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in STARKE, INDIANA
From 18-OCT-07 17:09:00 to 18-OCT-07 17:10:00 (CST-6)
Location: KNOX
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in KOSCIUSKO, INDIANA
From 18-OCT-07 18:30:00 to 18-OCT-07 18:31:00 (EST-5)
Location: CLUNETTE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several reports of trees blown down northwest of Warsaw.

Thunderstorm Wind in LAGRANGE, INDIANA
From 18-OCT-07 18:40:00 to 18-OCT-07 18:41:00 (EST-5)
Location: SHIPSHEWANA
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several trees were blown down.

Thunderstorm Wind in LAGRANGE, INDIANA
From 18-OCT-07 21:52:00 to 18-OCT-07 21:53:00 (EST-5)
Location: SCOTT
Magnitude: 55.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A car and semi were blown off the I-80 toll road near mile marker 114. No injuries were reported.

Thunderstorm Wind in WHITLEY, INDIANA
From 18-OCT-07 22:20:00 to 18-OCT-07 22:21:00 (EST-5)
Location: COLUMBIA CITY
Magnitude: 55.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree fell onto a home, causing minor roof damage estimated at $2,000.

Hail in WHITE, INDIANA
From 18-OCT-07 17:38:00 to 18-OCT-07 17:39:00 (EST-5)
Location: MONON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in DE KALB, INDIANA
From 18-OCT-07 22:46:00 to 18-OCT-07 22:47:00 (EST-5)
Location: GARRETT
Magnitude: 55.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees and power lines were blown down.

Thunderstorm Wind in WHITE, INDIANA
From 18-OCT-07 17:38:00 to 18-OCT-07 17:39:00 (EST-5)
Location: MONON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in CASS, INDIANA
From 18-OCT-07 21:19:00 to 18-OCT-07 21:20:00 (EST-5)
Location: WALTON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A local newspaper reported tree limbs being blown onto power lines in the Walton and Young America area.

Thunderstorm Wind in WHITLEY, INDIANA
From 18-OCT-07 22:39:00 to 18-OCT-07 22:40:00 (EST-5)
Location: TRI LAKES
Magnitude: 55.00 EG
Property damage: 2.50K
Crop damage: 0.00K
Reported by: Emergency Manager

An eight inch (8) diameter tree was blown down across power lines.

Thunderstorm Wind in KOSCIUSKO, INDIANA
From 18-OCT-07 18:44:00 to 18-OCT-07 18:45:00 (EST-5)
Location: LEESBURG
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A two foot (2') diameter tree down across State Road 15, just south of Leesburg.