1 lightning, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Indianapolis, IN wrote its last area forecast discussion before the first event at Aug 4, 2:50 PM EST, 7 hours 40 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE INDIANAPOLIS IN 240 PM EST MON AUG 3 2003 MAIN PROBLEM CONTINUES TO BE THE CHANCES OF THUNDERSTORMS. LATE IN THE AFTERNOON THE MAIN AREA IS OF THE EASTERN HALF ON INDIANA. A TROF/WEAK COLD FRONT WAS MOVING THROUGH INDIANA. AFTER THE FRONT MOVES THRU AND WITH THE LOSS OF HEATING THE TSTMS SHOULD DECREASE. WILL GO SCATTERED EVENING THUNDERSTORMS. TEMPERATURES DROPPED OFF COOLER THAN GUID LAST NIGHT. WITH THE COOLER AIR MOVING IN AFTER FROPA WILL GO A LITTLE LOWER THAN GUIDANCE TEMPS. THERE ARE ALOT OF CLOUDS BEHIND THE FRONT THIS AFTERNOON. THESE SHOULD MOVE INTO INDIANA ON TUE. WILL GO MOSTLY CLOUDY SIMILAR TO GUID. THE CLOUDS SHOULD HOLD TEMPS DOWN. THIS SEASON SEEMS LIKE TEMPERATURES HAVE BEEN MORE LOWER THAN GUIDANCE THEN ABOVE. WILL GO A LITTLE LOWER AND GUID. WILL CONTINUE WITH THE CLOUDY SKIES TUE NIGHT. TEMPS NEAR GUID. ANOTHER S/W MOVES THRU INDIANA ON WED. WILL BRING A CHANCE OF THUNDERSTORMS BACK INTO THE FORECAST THEN. DUE TO CLOUDS WILL GO SLIGHTLY LOWER THEN GUIDANCE TEMPS. .IND...NONE. HAINES
INZ021-028>031-035>049-051>057-060>065-067>072-051100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE INDIANAPOLIS IN 600 AM EST MON AUG 4 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS WILL OCCUR TODAY AND EARLY TONIGHT. WHILE A FEW STRONG STORMS ARE POSSIBLE...WE ARE NOT EXPECTING ANY OUTBREAK OF SEVERE WEATHER TODAY OR TONIGHT. .DAYS TWO THROUGH SEVEN...TUESDAY THORUGH SUNDAY THERE IS A SLIGHT CHANCE OF THUNDERSTORMS WEDNESDAY. OTHERWISE DRY AND QUIET WEATHER WILL BE THE RULE THROUGH NEXT WEEKEND. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED.
The Indianapolis radar (KIND), 21 km away, was scanning. The volume nearest the first event began at 03:29 UTC.
1 lightning. Local standard time, as filed.
A house was struck by lightning. The home received 60K in damage to the roof and attic.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Indiana in 2003Every state in 2003This day in weather historyWarnings in Indiana, August 2003
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5378315.