Waves of showers and thunderstorms developed across central Indiana ahead of an approaching cold front during the afternoon and evening of May 30th. The storms brought heavy rain, damaging winds, and one tornado to the area. Some areas of central Indiana received over 4 inches of rain, which caused some flash flooding. Most of the heavy rain and flooding occurred across areas northeast of Indianapolis. The storms also brought damaging winds, which brought down some trees and power lines.

Thunderstorm Wind in MARION, INDIANA
From 30-MAY-15 12:21:00 to 30-MAY-15 12:21:00 (EST-5)
Location: INDIANAPOLIS INTL AR
Magnitude: 50.00 MG
Reported by: ASOS

The observing station at the Indianapolis International Airport measured a 58 mph thunderstorm wind gust.

Thunderstorm Wind in MARION, INDIANA
From 30-MAY-15 12:26:00 to 30-MAY-15 12:26:00 (EST-5)
Location: INDIANAPOLIS INTL AR
Magnitude: 50.00 MG
Reported by: ASOS

ASOS at the Indianapolis International Airport reported another thunderstorm wind gust measured at 58 mph.

Hail in BOONE, INDIANA
From 30-MAY-15 15:48:00 to 30-MAY-15 15:50:00 (EST-5)
Location: WHITESTOWN
Magnitude: 1.00 
Reported by: Trained Spotter

Thunderstorm Wind in MADISON, INDIANA
From 30-MAY-15 16:35:00 to 30-MAY-15 16:35:00 (EST-5)
Location: BLOOMER
Magnitude: 65.00 EG
Property damage: 25.00K
Reported by: Emergency Manager

A barn and two houses sustained roof damage near the intersection of County Roads 600 West and 100 South due to damaging thunderstorm wind gusts.  Also, three trees were downed...including one on a car.

Thunderstorm Wind in KNOX, INDIANA
From 30-MAY-15 17:25:00 to 30-MAY-15 17:25:00 (EST-5)
Location: VINCENNES
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree limb fell on a power line on Busseron Street due to damaging thunderstorm wind gusts.

Thunderstorm Wind in JOHNSON, INDIANA
From 30-MAY-15 19:30:00 to 30-MAY-15 19:30:00 (EST-5)
Location: NEW WHITELAND
Magnitude: 48.00 EG
Property damage: 0.20K
Crop damage: 0.00K
Reported by: Storm Chaser

A three inch diameter tree limb was snapped due to strong thunderstorm wind gusts. This was reported by BAM Chase.

Thunderstorm Wind in MARION, INDIANA
From 30-MAY-15 19:45:00 to 30-MAY-15 19:45:00 (EST-5)
Location: NEW BETHEL
Magnitude: 52.00 EG
Property damage: 1.50K
Crop damage: 0.00K
Reported by: Public

A 30-inch diameter tree was blown over onto part of a fence near the intersection of Stop 11 and Shelbyville Roads due to damaging thunderstorm wind gusts.

Tornado in MARION, INDIANA
From 30-MAY-15 19:47:00 to 30-MAY-15 19:48:00 (EST-5)
Location: BEECH GROVE
Tornado F-scale: EF1
Property damage: 49.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

An EF-1 tornado, with winds estimated at 90 mph, briefly touched down near the intersection of Southeastern and Irvington Avenues. Significant garage damage occurred to two homes and one automobile was stacked on top of another. Numerous trees were downed as well. A power pole was downed as well as a gazebo that was picked up and tossed.

Thunderstorm Wind in MARION, INDIANA
From 30-MAY-15 19:45:00 to 30-MAY-15 19:45:00 (EST-5)
Location: NEW BETHEL
Magnitude: 56.00 EG
Property damage: 12.00K
Crop damage: 0.00K
Reported by: NWS Employee

A few trees were knocked down in a subdivision near the intersection of Franklin and Southport Roads due to damaging thunderstorm wind gusts. A trampoline was blown over causing some minor damage to a house and a few vehicles.

Flash Flood in MADISON, INDIANA
From 30-MAY-15 17:00:00 to 30-MAY-15 19:00:00 (EST-5)
Location: INGALLS
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several inches of water was flowing over a roadway near Meridian Street.

Flash Flood in HAMILTON, INDIANA
From 30-MAY-15 17:02:00 to 30-MAY-15 19:00:00 (EST-5)
Location: CLARKSVILLE
Flood cause: Heavy Rain
Property damage: 6.00K
Crop damage: 3.00K
Reported by: Trained Spotter

The westbound lane of Highway 38 was underwater about half a mile west of Highway 13. Several inches of flowing water is also going over some driveways.  Heavy thunderstorm rainfall was the cause of the flooding.

Flash Flood in MADISON, INDIANA
From 30-MAY-15 17:20:00 to 30-MAY-15 19:00:00 (EST-5)
Location: INGALLS
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 8.00K
Reported by: Trained Spotter

The northbound lane of State Route 13, one mile north of Interstate 69, was impassable due to thunderstorm heavy rainfall.

Flash Flood in MADISON, INDIANA
From 30-MAY-15 17:20:00 to 30-MAY-15 19:15:00 (EST-5)
Location: EDGEWOOD
Flood cause: Heavy Rain
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Anderson Fire Department worked two water rescues in the area of 8th Street and Raible Avenue due to flash flooding caused by heavy thunderstorm rainfall.

Thunderstorm Wind in MARTIN, INDIANA
From 30-MAY-15 15:45:00 to 30-MAY-15 15:45:00 (EST-5)
Location: LOOGOOTEE
Magnitude: 61.00 EG
Property damage: 40.00K
Reported by: Law Enforcement

A large tree was snapped 10 feet above the base along Highway 231 at Butcher Avenue due to damaging thunderstorm wind gusts.  Several other trees were down throughout the city.  Some vehicles were damaged from falling tree.  Power was out to the entire city.