As of approximately 1730 EST a generally west to east warm front extended from roughly the Kansas City Metro area to near Indianapolis. Storms spread eastward with time across Indiana where ample instability/shear could be found across the central third of the state, an important ingredient for severe weather. Tornado watch number 309 was issued by the Storm Prediction Center at 1840 EST.  Hail, wind, and flood reports were received in Indiana during this watch.  During the 2030 to 2230 EST time frame the radar trend showed some decrease in storm intensity. The National Weather Service in Indianapolis began cancelling portions of the tornado watch in their area of responsibility at 2233 EST in west central Indiana and concluded with cancellation of counties in east central Indiana at 0102 EST on May 16th.

Thunderstorm Wind in CARROLL, INDIANA
From 15-MAY-09 22:10:00 to 15-MAY-09 22:12:00 (EST-5)
Location: LEXINGTON
Magnitude: 83.00 EG
Reported by: NWS Storm Survey

A downburst began near County Road 400 East and County Road 800 South, removing a southwest facing rooftop. Thirteen barns and outbuildings were damaged further northeast. Trees were blown down and a storage shed were the last damaged items on the south end of the town of Burlington at State Route 29. The damage path was approximately 4 miles long and one half mile wide with winds estimated near 95 MPH.
A local newspaper reported the following:  A utility shed containing a large riding lawn mower and other items at State Route 29 south of Burlington was lifted and thrown about 100 feet into a neighbor's yard.  A list of tornado/wind damaged properties known so far in order of damage:  7821 South 400 East, house roof and utility shed; 5472 East 700 South, wooden barn, metal pole barn and trees; 5675 East 700 South, house, trees, outbuildings, 100 year-old barn and a horse injured; 5910 East 700 South, a wooden barn down; 6614 South 600 East, house roof, animal building and barn; 6289 East 600 South, three barns torn down; 5574 South State Route 29, utility shed and mowers; and, 5556 South State Route 29, trees and playground equipment.

Thunderstorm Wind in PARKE, INDIANA
From 15-MAY-09 21:24:00 to 15-MAY-09 21:24:00 (EST-5)
Location: MARSHALL
Magnitude: 60.00 MG
Reported by: Trained Spotter

Thunderstorm Wind in TIPPECANOE, INDIANA
From 15-MAY-09 21:40:00 to 15-MAY-09 21:40:00 (EST-5)
Location: CLARKS HILL
Magnitude: 55.00 EG
Reported by: Amateur Radio

A barn was reported destroyed and four buildings damaged by thunderstorm winds near County Road 700 East and State Route 28 near US 52.

Thunderstorm Wind in RUSH, INDIANA
From 15-MAY-09 19:00:00 to 15-MAY-09 19:00:00 (EST-5)
Location: RUSHVILLE
Magnitude: 50.00 EG
Reported by: Emergency Manager

Utility lines were knocked down by thunderstorm winds.

Thunderstorm Wind in WARREN, INDIANA
From 15-MAY-09 19:00:00 to 15-MAY-09 19:00:00 (EST-5)
Location: STEWART
Magnitude: 55.00 EG
Reported by: Emergency Manager

Trees were knocked down by thunderstorm winds.

Flood in PARKE, INDIANA
From 15-MAY-09 22:00:00 to 16-MAY-09 01:30:00 (EST-5)
Location: HUDNUT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Heavy rain water flowed over various roads, including at Highway 41 near Lyford, Indiana and northward.

Thunderstorm Wind in WARREN, INDIANA
From 15-MAY-09 19:40:00 to 15-MAY-09 19:40:00 (EST-5)
Location: JUDYVILLE
Magnitude: 55.00 EG
Reported by: Emergency Manager

Trees were knocked down by thunderstorm winds.

Hail in TIPPECANOE, INDIANA
From 15-MAY-09 20:19:00 to 15-MAY-09 20:21:00 (EST-5)
Location: LAFAYETTE
Magnitude: 1.00 
Reported by: Emergency Manager

Hail in TIPPECANOE, INDIANA
From 15-MAY-09 21:08:00 to 15-MAY-09 21:10:00 (EST-5)
Location: LAFAYETTE
Magnitude: 1.00 
Reported by: Storm Chaser

Thunderstorm Wind in FOUNTAIN, INDIANA
From 15-MAY-09 21:15:00 to 15-MAY-09 21:15:00 (EST-5)
Location: ATTICA
Magnitude: 50.00 EG
Reported by: Law Enforcement

One tree was blown down by thunderstorm winds at 170 South.

Flash Flood in FOUNTAIN, INDIANA
From 15-MAY-09 21:15:00 to 16-MAY-09 01:15:00 (EST-5)
Location: ATTICA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

US Highway 41 was flooded to a depth of 1 foot by heavy rainfall.

Flash Flood in WARREN, INDIANA
From 15-MAY-09 20:01:00 to 15-MAY-09 23:59:00 (EST-5)
Location: STEWART
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous reports of flooding were received from Warren County Emergency Management Agency. Locations given of flooding were as following: Bristol Road; water and mud across State Road 28 West and 900 West; Road 125 South west of Williamsport; State Road 28 West and 100 West; Division Road east to State Road 263; State Road 28 and Oakwood Drive in Williamsport; Hospital Road and 41; 425 South and 500 West.

Flood in CARROLL, INDIANA
From 16-MAY-09 01:00:00 to 16-MAY-09 01:30:00 (EST-5)
Location: FLORA
Flood cause: Heavy Rain
Property damage: 125.00K
Crop damage: 0.00K
Reported by: Newspaper

Between Flora and Delphi, Indiana several roads and bridges were badly damaged by flood water.  Damage cost is grossly estimated.

Flood in CARROLL, INDIANA
From 16-MAY-09 01:00:00 to 16-MAY-09 01:30:00 (EST-5)
Location: HARLEY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several County Roads were closed throughout the county due to flood waters from heavy rainfall. The event time is estimated.

Flood in FOUNTAIN, INDIANA
From 16-MAY-09 01:00:00 to 16-MAY-09 03:00:00 (EST-5)
Location: FOUNTAIN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several county roads were closed due to flooding. Event time is estimated.

Lightning in CARROLL, INDIANA
From 15-MAY-09 22:23:00 to 15-MAY-09 22:23:00 (EST-5)
Location: FLORA
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Abundant lightning strikes associated with a squall line apparently started a house fire at approximately 2223 EST in Flora, Indiana.  Three occupants apparently were unable to escape and perished in the fire.

Flood in TIPPECANOE, INDIANA
From 16-MAY-09 01:00:00 to 16-MAY-09 03:00:00 (EST-5)
Location: CAIRO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several county roads were flooded by heavy rain. Event time is estimated.

Thunderstorm Wind in BOONE, INDIANA
From 15-MAY-09 22:00:00 to 15-MAY-09 22:00:00 (EST-5)
Location: THORNTOWN
Magnitude: 55.00 EG
Reported by: NWS Storm Survey

Trees were blown down by thunderstorm winds along US 52 just north of State Route 47.

Thunderstorm Wind in CLINTON, INDIANA
From 15-MAY-09 22:10:00 to 15-MAY-09 22:10:00 (EST-5)
Location: MICHIGANTOWN
Magnitude: 55.00 EG
Reported by: NWS Storm Survey

Trees were blown down by thunderstorm winds along State Route 29 just north of Michigantown.

Thunderstorm Wind in CARROLL, INDIANA
From 15-MAY-09 22:10:00 to 15-MAY-09 22:10:00 (EST-5)
Location: LEXINGTON
Magnitude: 55.00 EG
Reported by: Law Enforcement

Law enforcement reported numerous barns down in Cutler and toward Burlington. Horses were trapped in one of the barns.

Hail in BARTHOLOMEW, INDIANA
From 15-MAY-09 17:55:00 to 15-MAY-09 17:57:00 (EST-5)
Location: HOPE
Magnitude: 1.75 
Reported by: Trained Spotter

Thunderstorm Wind in BARTHOLOMEW, INDIANA
From 15-MAY-09 17:55:00 to 15-MAY-09 17:55:00 (EST-5)
Location: HOPE
Magnitude: 61.00 EG
Reported by: Trained Spotter

A spotter estimated a wind gust to 70 MPH in Hope, Indiana.