3 low-topped supercell thunderstorms dropped down at least 1 tornado a piece and a total of 6 tornadoes across Central Indiana during the late afternoon and early evening of April 20. All of the tornadoes were F0 or F1 in rating. The worst damage occurred in Kokomo as 3 homes were damaged and a skating rink and trucking company had significant damage totaling around 3 million dollars. There were also 1 minor injury. The town of Jamestown along the Hendricks/Boone county border also was hit hard with significant damage to a dozen homes totaling 1.65 million dollars.  There were also 8 minor injuries, 1 as a result of his semi being overturned along Interstate 74.

Hail in PUTNAM, INDIANA
From 20-APR-04 17:16:00 to 20-APR-04 17:16:00 (EST)
Location: ROACHDALE
Magnitude: 0.75 
Reported by: LAW ENFORCEMENT

Hail in HAMILTON, INDIANA
From 20-APR-04 18:20:00 to 20-APR-04 18:20:00 (EST)
Location: SHERIDAN
Magnitude: 0.75 
Reported by: LAW ENFORCEMENT

Tornado in MADISON, INDIANA
From 20-APR-04 19:24:00 to 20-APR-04 19:25:00 (EST)
Location: ELWOOD
Tornado F-scale: F0
Property damage: 175K
Reported by: NWS STORM SURVEY

A weak and brief F0 tornado spawned by a low-topped suprecell touched down just north of Elwood destroying a barn

Tornado in HENDRICKS, INDIANA
From 20-APR-04 17:40:00 to 20-APR-04 17:40:00 (EST)
Location: NORTH SALEM
Tornado F-scale: F1
Property damage: 150K
Reported by: NWS STORM SURVEY

A tornado associated with a low-topped supercell touched down a quarter of a mile south of the Boone/Hendricks county line in Hendricks county. The tornado continued northeast through Jamestown and into Boone county causing significant damage to a dozen homes. 2 homes had their roofs blown completely off and tossed several hundred feet into a corn field. There were 8 minor injuries including one man whose semi was blown over along Interstate 74. Estimated wind speeds were around 110 mph or on the high end of an F1 rating.

Tornado in HOWARD, INDIANA
From 20-APR-04 17:45:00 to 20-APR-04 17:46:00 (EST)
Location: KOKOMO
Tornado F-scale: F0
Property damage: 500K
Reported by: NWS STORM SURVEY

The second in a series of tornadoes associated with an isolated low-topped supercell touched down in rural Howard county 8 miles southwest of Kokomo. The tornado was rated an F0 and destroyed a barn and overturned a grain bin in its brief lifetime.

Tornado in HOWARD, INDIANA
From 20-APR-04 18:00:00 to 20-APR-04 18:05:00 (EST)
Location: KOKOMO
Tornado F-scale: F1
Property damage: 3M
Reported by: NWS STORM SURVEY

A third in a string of tornadoes associated with an isolated low-topped supercell touched down in Kokomo. The tornado was rated an F1 and severely damaged a skating rink and trucking company. There was also damage to 3 other homes and 1 minor injury reported.

Tornado in BOONE, INDIANA
From 20-APR-04 17:45:00 to 20-APR-04 17:46:00 (EST)
Location: LEBANON
Tornado F-scale: F0
Property damage: 75K
Reported by: NWS STORM SURVEY

A second tornado, associated with a low-topped supercell that damaged homes in the Jamestown area, touched down in rural Boone county. Eyewitnesses reported funnel clouds and scattered damage along the path.

Tornado in CLINTON, INDIANA
From 20-APR-04 17:15:00 to 20-APR-04 17:25:00 (EST)
Location: FRANKFORT
Tornado F-scale: F1
Property damage: 250K
Reported by: NWS STORM SURVEY

A low-topped supercell produced an F1 tornado near Frankfort. The tornado destroyed 2 garages and a high school scoreboard and also damaged a barn.

Tornado in BOONE, INDIANA
From 20-APR-04 17:40:00 to 20-APR-04 17:42:00 (EST)
Location: JAMESTOWN
Tornado F-scale: F1
Property damage: 1.65M
Reported by: NWS STORM SURVEY

A tornado associated with a low-topped supercell touched down a quarter of a mile south of the Boone/Hendricks county line in Hendricks county. The tornado continued northeast through Jamestown and into Boone county causing significant damage to a dozen homes. 2 homes had their roofs blown completely off and tossed several hundred feet into a corn field. There were 8 minor injuries including one man whose semi was blown over along Interstate 74. Estimated wind speeds were around 110 mph or on the high end of an F1 rating.