Northwest flow in the upper atmosphere allowed multiple waves to move across the area. The atmosphere had a high moisture content and was unstable. The waves interacted with the moisture and instability to produce the severe weather and heavy rain. Multiple rounds of thunderstorms moved over the same locations, creating the flooding problems. Several rounds of thunderstorms, from July 10th through the 13th, brought a tornado, damaging winds, large hail, and flooding to central Indiana. Mainly thunderstorm wind and flooding during this portion of the timeline.

Thunderstorm Wind in HENDRICKS, INDIANA
From 11-JUL-17 11:24:00 to 11-JUL-17 11:24:00 (EST-5)
Location: NORTH SALEM
Magnitude: 56.00 EG
Reported by: Emergency Manager

Crops and buildings were damaged because of damaging thunderstorm wind gusts. The what and to what extent something was damaged is not known.

Thunderstorm Wind in BOONE, INDIANA
From 11-JUL-17 11:27:00 to 11-JUL-17 11:27:00 (EST-5)
Location: HAZELRIGG
Magnitude: 54.00 MG
Property damage: 3.80K
Reported by: COOP Observer

A measured 62 mph thunderstorm wind gust downed trees and broke a window at a residence in this location.

Flash Flood in MORGAN, INDIANA
From 11-JUL-17 13:50:00 to 11-JUL-17 16:00:00 (EST-5)
Location: EXCHANGE
Flood cause: Heavy Rain
Property damage: 0.25K
Crop damage: 4.00K
Reported by: NWS Employee

Flowing water, one to two feet deep, was observed in this location due to thunderstorm heavy rainfall.

Flash Flood in HENDRICKS, INDIANA
From 11-JUL-17 17:30:00 to 11-JUL-17 19:30:00 (EST-5)
Location: PLAINFIELD
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

State Road 267 was closed three miles north of Interstate 70 due to flooding from thunderstorm heavy rainfall.

Flood in JOHNSON, INDIANA
From 11-JUL-17 18:30:00 to 11-JUL-17 20:30:00 (EST-5)
Location: FRANKLIN
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Newspaper

North-bound and south-bound lanes of US Highway 31 were closed due to flooding at Blue Heron Park near Greenlawn Cemetery and Franklin Lakes subdivision due to heavy rainfall. Jefferson Street in downtown Franklin was also closed.

Thunderstorm Wind in MARION, INDIANA
From 11-JUL-17 11:41:00 to 11-JUL-17 11:41:00 (EST-5)
Location: WILLIAMS CREEK
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

An 8 to 10 inch tree limb was downed on Ditch Road near 86th Street due to damaging thunderstorm wind gusts. One lane of traffic was blocked. Another tree limb was down at Springmill Road and 91st Street.

Thunderstorm Wind in BOONE, INDIANA
From 11-JUL-17 11:36:00 to 11-JUL-17 11:36:00 (EST-5)
Location: EAGLE VLG
Magnitude: 52.00 EG
Property damage: 0.80K
Reported by: Public

Large tree limbs were down in north Zionsville due to damaging thunderstorm wind gusts. This report was received via Twitter.

Thunderstorm Wind in HAMILTON, INDIANA
From 11-JUL-17 11:45:00 to 11-JUL-17 11:45:00 (EST-5)
Location: CARMEL
Magnitude: 52.00 EG
Property damage: 35.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Multiple reports of trees being downed across Carmel due to damaging thunderstorm wind gusts. There were several reports of trees and large tree limbs on houses.

Flood in JOHNSON, INDIANA
From 11-JUL-17 09:00:00 to 11-JUL-17 11:00:00 (EST-5)
Location: FRANKLIN
Flood cause: Heavy Rain
Property damage: 0.50K
Crop damage: 0.50K
Reported by: Trained Spotter

One to two inches of flowing water was over the road at the intersection of Hurricane Road and County Road 300 North due to heavy rainfall. Water was also covering the road in a couple spots north of that intersection.

Thunderstorm Wind in HAMILTON, INDIANA
From 11-JUL-17 11:47:00 to 11-JUL-17 11:47:00 (EST-5)
Location: CARMEL
Magnitude: 52.00 EG
Property damage: 7.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A large tree snapped and fell onto a house in this location due to damaging thunderstorm wind gusts. Several power lines were downed as well.

Flood in MORGAN, INDIANA
From 11-JUL-17 09:30:00 to 11-JUL-17 11:30:00 (EST-5)
Location: MARTINSVILLE
Flood cause: Heavy Rain
Property damage: 0.75K
Crop damage: 0.00K
Reported by: NWS Employee

The Martinsville High School parking lot was flooded due to heavy rainfall. Ditches along Highway 37 were full to road level. Other roadways in town were also flooded.

Thunderstorm Wind in VERMILLION, INDIANA
From 11-JUL-17 10:36:00 to 11-JUL-17 10:36:00 (EST-5)
Location: GESSIE
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.50K
Reported by: COOP Observer

Corn stalks were blown over in a pattern consistent with damaging straight-line winds. Tree limbs, approximately 12 inches in diameter, were downed and power was out.

Thunderstorm Wind in VERMILLION, INDIANA
From 11-JUL-17 10:37:00 to 11-JUL-17 10:37:00 (EST-5)
Location: PERRYSVILLE
Magnitude: 52.00 EG
Reported by: Trained Spotter

An estimated 60 mph thunderstorm wind gust was reported in this location.

Thunderstorm Wind in SHELBY, INDIANA
From 11-JUL-17 12:17:00 to 11-JUL-17 12:17:00 (EST-5)
Location: LONDON
Magnitude: 52.00 EG
Property damage: 5.00K
Reported by: Public

Trees and power lines were downed in and near this location due to damaging thunderstorm wind gusts. Multiple roads were blocked.

Thunderstorm Wind in SHELBY, INDIANA
From 11-JUL-17 12:19:00 to 11-JUL-17 12:19:00 (EST-5)
Location: FAIRLAND
Magnitude: 56.00 EG
Property damage: 5.00K
Reported by: Public

A roof was partially blown off a barn due to damaging thunderstorm wind gusts.

Thunderstorm Wind in RUSH, INDIANA
From 11-JUL-17 12:28:00 to 11-JUL-17 12:28:00 (EST-5)
Location: RUSHVILLE
Magnitude: 56.00 EG
Property damage: 27.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Rush County Emergency Manager reports trees down across Rushville due to damaging thunderstorm wind gusts. There were also reports of damage to homes and power lines being down.

Thunderstorm Wind in MONTGOMERY, INDIANA
From 11-JUL-17 10:55:00 to 11-JUL-17 10:55:00 (EST-5)
Location: WINGATE
Magnitude: 52.00 EG
Reported by: Trained Spotter

An estimated 60 mph thunderstorm wind gust was reported in this location.

Thunderstorm Wind in PUTNAM, INDIANA
From 11-JUL-17 11:12:00 to 11-JUL-17 11:12:00 (EST-5)
Location: ROACHDALE
Magnitude: 52.00 EG
Property damage: 10.00K
Reported by: Public

Trees were downed in Roachdale due to damaging thunderstorm wind gusts. One tree  was down on a minivan.

Thunderstorm Wind in MONTGOMERY, INDIANA
From 11-JUL-17 11:15:00 to 11-JUL-17 11:15:00 (EST-5)
Location: LADOGA
Magnitude: 52.00 EG
Property damage: 8.00K
Reported by: Trained Spotter

An estimated 60 mph thunderstorm wind gust was reported near the Montgomery/Putnam county line. Five to fifteen trees were damaged.