On the morning of Monday, July 21, 2003, a large derecho moved across most of central Indiana.  This event began around  4:00 am EST across the NWS Indianapolis Northwestern CWA and moved Southeast over the next 2 hours.  Numerous Severe Thunderstorm Warnings were issued based on inbound radar velocities near 90 knots.  Numerous wind damage reports to homes, business and trees were uncovered throughout the daylight hours.  Over 100 trees were toppled in at McCormick State Park in Owen County injurying 5. There were also 2 brief F0 tornado touchdowns. One tornado was reported in Boone County near the northern apex of the bow.  This tornado was later confirmed to be an F0 causing some property and tree damage.  Another F0 was confirmed during an NWS storm survey  on the south side of Lafayette. Numerous trees were snapped, and a set of bleachers were lifted to mid-field of a High School football field.

Thunderstorm Wind in BARTHOLOMEW, INDIANA
From 21-JUL-03 06:00:00 to 21-JUL-03 06:00:00 (EST)
Location: COLUMBUS
Magnitude: 53 MG
Reported by: AWOS,ASOS,MESONET,ETC

Thunderstorm Wind in LAWRENCE, INDIANA
From 21-JUL-03 06:15:00 to 21-JUL-03 06:15:00 (EST)
Location: BEDFORD
Magnitude: 55 EG
Reported by: LAW ENFORCEMENT

Hail in HENRY, INDIANA
From 21-JUL-03 10:30:00 to 21-JUL-03 10:30:00 (EST)
Location: NEW CASTLE
Magnitude: 1.00 
Reported by: TRAINED SPOTTER

Thunderstorm Wind in RUSH, INDIANA
From 21-JUL-03 06:00:00 to 21-JUL-03 06:00:00 (EST)
Location: RUSHVILLE
Magnitude: 55 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in FOUNTAIN, INDIANA
From 21-JUL-03 04:21:00 to 21-JUL-03 04:30:00 (EST)
Location: ATTICA
Magnitude: 60 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in HENRY, INDIANA
From 21-JUL-03 05:55:00 to 21-JUL-03 05:55:00 (EST)
Location: MOORELAND
Magnitude: 55 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in JOHNSON, INDIANA
From 21-JUL-03 05:20:00 to 21-JUL-03 05:20:00 (EST)
Location: GREENWOOD
Magnitude: 50 MG
Reported by: AMATEUR RADIO

Thunderstorm Wind in BOONE, INDIANA
From 21-JUL-03 04:30:00 to 21-JUL-03 04:30:00 (EST)
Location: ADVANCE
Magnitude: 60 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in MONROE, INDIANA
From 21-JUL-03 05:45:00 to 21-JUL-03 05:45:00 (EST)
Location: BLOOMINGTON
Magnitude: 55 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in CARROLL, INDIANA
From 21-JUL-03 05:00:00 to 21-JUL-03 05:00:00 (EST)
Location: DELPHI
Magnitude: 55 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in MARION, INDIANA
From 21-JUL-03 05:10:00 to 21-JUL-03 05:10:00 (EST)
Location: INDIANAPOLIS
Magnitude: 55 EG
Reported by: NWS EMPLOYEE(OFF DUTY)

Billboard blown down along I-465

Thunderstorm Wind in HAMILTON, INDIANA
From 21-JUL-03 05:15:00 to 21-JUL-03 05:15:00 (EST)
Location: NOBLESVILLE
Magnitude: 55 EG
Reported by: EMERGENCY MANAGER

Thunderstorm Wind in DECATUR, INDIANA
From 21-JUL-03 05:45:00 to 21-JUL-03 05:45:00 (EST)
Location: GREENSBURG
Magnitude: 55 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in DELAWARE, INDIANA
From 21-JUL-03 05:53:00 to 21-JUL-03 05:53:00 (EST)
Location: MUNCIE
Magnitude: 55 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in SHELBY, INDIANA
From 21-JUL-03 05:55:00 to 21-JUL-03 05:55:00 (EST)
Location: SHELBYVILLE
Magnitude: 55 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in MARION, INDIANA
From 21-JUL-03 05:25:00 to 21-JUL-03 05:25:00 (EST)
Location: INDIANAPOLIS
Magnitude: 55 EG
Reported by: BROADCAST MEDIA

Thunderstorm Wind in CLAY, INDIANA
From 21-JUL-03 05:00:00 to 21-JUL-03 05:00:00 (EST)
Location: BRAZIL
Magnitude: 55 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in PARKE, INDIANA
From 21-JUL-03 05:00:00 to 21-JUL-03 05:00:00 (EST)
Location: ROCKVILLE
Magnitude: 55 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in OWEN, INDIANA
From 21-JUL-03 05:00:00 to 21-JUL-03 05:00:00 (EST)
Location: SPENCER
Magnitude: 55 EG
Reported by: LAW ENFORCEMENT

Over 100 trees were toppled at McCormick Creek State Park injuring 5.

Tornado in TIPPECANOE, INDIANA
From 21-JUL-03 04:00:00 to 21-JUL-03 04:02:00 (EST)
Location: LAFAYETTE
Tornado F-scale: F0
Reported by: NWS STORM SURVEY

Brief F0 tornado touchdown on the side south of Lafayette. Numerous trees were snapped, and a set of bleachers were lifted to mid-field of a High School football field.

Thunderstorm Wind in BROWN, INDIANA
From 21-JUL-03 05:55:00 to 21-JUL-03 05:55:00 (EST)
Location: NASHVILLE
Magnitude: 55 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in FOUNTAIN, INDIANA
From 21-JUL-03 04:25:00 to 21-JUL-03 04:25:00 (EST)
Location: COVINGTON
Magnitude: 60 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in JENNINGS, INDIANA
From 21-JUL-03 06:30:00 to 21-JUL-03 06:30:00 (EST)
Location: NORTH VERNON
Magnitude: 55 EG
Reported by: DEPT OF HIGHWAYS

Tornado in BOONE, INDIANA
From 21-JUL-03 05:00:00 to 21-JUL-03 05:05:00 (EST)
Location: WAUGH
Tornado F-scale: F0
Property damage: 10K
Crop damage: 5K
Reported by: GENERAL PUBLIC

Brief tornado touched down in Boone County Monday morning.  There was a narrow swath of damage stretching to near County Roads 1100 and 1200 East.  Just across 900 East from the corn damage...a swath of tree and barn damage...roughly 50 to 75 yards wide...was found.  The tornado continued down 300 North with minor damage near a cemetery and more extensive tree damage near a home just east of the cemetery.  A barn was shifted off of its foundation and a tree was blown onto a house further east.

Thunderstorm Wind in SHELBY, INDIANA
From 21-JUL-03 05:59:00 to 21-JUL-03 05:59:00 (EST)
Location: SHELBYVILLE
Magnitude: 55 EG
Reported by: TRAINED SPOTTER

Thunderstorm Wind in RANDOLPH, INDIANA
From 21-JUL-03 06:00:00 to 21-JUL-03 06:00:00 (EST)
Location: MODOC
Magnitude: 55 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in JACKSON, INDIANA
From 21-JUL-03 06:00:00 to 21-JUL-03 06:00:00 (EST)
Location: SEYMOUR
Magnitude: 55 EG
Reported by: DEPT OF HIGHWAYS

Thunderstorm Wind in MADISON, INDIANA
From 21-JUL-03 05:30:00 to 21-JUL-03 05:30:00 (EST)
Location: FRANKTON
Magnitude: 55 EG
Reported by: LAW ENFORCEMENT

Trees down

Thunderstorm Wind in HANCOCK, INDIANA
From 21-JUL-03 05:40:00 to 21-JUL-03 05:40:00 (EST)
Location: GREENFIELD
Magnitude: 55 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in CLINTON, INDIANA
From 21-JUL-03 05:00:00 to 21-JUL-03 05:00:00 (EST)
Location: FRANKFORT
Magnitude: 60 EG
Reported by: AMATEUR RADIO

Thunderstorm Wind in HENDRICKS, INDIANA
From 21-JUL-03 05:00:00 to 21-JUL-03 05:00:00 (EST)
Location: DANVILLE
Magnitude: 54 EG
Reported by: AMATEUR RADIO

Thunderstorm Wind in MORGAN, INDIANA
From 21-JUL-03 05:20:00 to 21-JUL-03 05:20:00 (EST)
Location: MOORESVILLE
Magnitude: 55 EG
Reported by: NWS EMPLOYEE(OFF DUTY)

Thunderstorm Wind in VERMILLION, INDIANA
From 21-JUL-03 04:55:00 to 21-JUL-03 04:55:00 (EST)
Location: NEWPORT
Magnitude: 60 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in MONTGOMERY, INDIANA
From 21-JUL-03 04:20:00 to 21-JUL-03 04:20:00 (EST)
Location: CRAWFORDSVILLE
Magnitude: 60 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in TIPPECANOE, INDIANA
From 21-JUL-03 04:10:00 to 21-JUL-03 04:10:00 (EST)
Location: WEST LAFAYETTE
Magnitude: 60 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in WARREN, INDIANA
From 21-JUL-03 04:00:00 to 21-JUL-03 04:00:00 (EST)
Location: STATE LINE
Magnitude: 60 EG
Reported by: DEPT OF HIGHWAYS

Thunderstorm Wind in HOWARD, INDIANA
From 21-JUL-03 04:35:00 to 21-JUL-03 04:35:00 (EST)
Location: RUSSIAVILLE
Magnitude: 60 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in PUTNAM, INDIANA
From 21-JUL-03 04:40:00 to 21-JUL-03 04:40:00 (EST)
Location: GREENCASTLE
Magnitude: 60 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in MARION, INDIANA
From 21-JUL-03 05:15:00 to 21-JUL-03 05:15:00 (EST)
Location: HOMECROFT
Magnitude: 55 EG
Reported by: AMATEUR RADIO

10" diameter trees blown down onto houses and RVs

Thunderstorm Wind in VIGO, INDIANA
From 21-JUL-03 04:50:00 to 21-JUL-03 04:50:00 (EST)
Location: TERRE HAUTE
Magnitude: 60 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in FOUNTAIN, INDIANA
From 21-JUL-03 04:25:00 to 21-JUL-03 04:25:00 (EST)
Location: VEEDERSBURG
Magnitude: 60 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in MARION, INDIANA
From 21-JUL-03 05:20:00 to 21-JUL-03 05:22:00 (EST)
Location: SOUTHPORT
Magnitude: 55 EG
Reported by: NWS EMPLOYEE(OFF DUTY)

Large trees and stoplights broken

Thunderstorm Wind in HENDRICKS, INDIANA
From 21-JUL-03 05:20:00 to 21-JUL-03 05:20:00 (EST)
Location: PLAINFIELD
Magnitude: 55 EG
Reported by: AMATEUR RADIO