2 thunderstorm wind, 2 flood, 2 hail, as filed by the National Weather Service.
Every event with a place to put it; 2 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 Wilmington, OH wrote its last area forecast discussion before the first event at Aug 7, 7:55 AM EST, 3 hours 10 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WILMINGTON OH 855 AM EDT THU AUG 7 2003 LOOKS LIKE MORE OF THE SAME FOR THIS AFTERNOON WITH UPPER LEVEL TROF IN PLACE. THIS WILL COMBINE WITH WEAK INSTABILITY TO PRODUCE ISOLATED SHOWERS AND A FEW THUNDERSTORMS LATER THIS AFTERNOON AND INTO EARLY EVENING. CURRENT FORECAST HAS THIS HANDLED WELL SO WILL ONLY UPDATE TO FRESHEN UP WORDING. .ILN...NONE.
INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046- 051>056-060>065-070>074-077>082-088-071100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE WILMINGTON OH 306 AM EDT THU AUG 7 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN INDIANA...NORTHERN KENTUCKY AND THE SOUTHWEST QUARTER OF OHIO. .DAY ONE...TODAY ISOLATED THUNDERSTORMS MAY PRODUCE TORRENTIAL RAINFALL AND VERY LOCALIZED FLOODING. SINCE THE NATURE OF THESE STORMS WILL BE ISOLATED AND THE AREA AFFECTED VERY SMALL...WARNINGS ARE NOT EXPECTED WITH THESE STORMS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY ISOLATED THUNDERSTORMS ON FRIDAY AND SATURDAY MAY PRODUCE TORRENTIAL RAINFALL AND VERY LOCALIZED FLOODING. SINCE THE NATURE OF THESE STORMS WILL BE ISOLATED AND THE AREA AFFECTED VERY SMALL...WARNINGS ARE NOT EXPECTED WITH THESE STORMS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
The Cincinnati radar (KILN), 105 km away, was scanning. The volume nearest the first event began at 16:04 UTC.
2 thunderstorm wind, 2 flood, 2 hail. Local standard time, as filed.
Numerous trees were downed.
Scattered thunderstorms with heavy rain caused localized street flooding in Columbus and Springfield.
Trees and powerlines were downed. Two trees fell on a house, causing minor damage.
Scattered thunderstorms with heavy rain caused localized street flooding in Columbus and Springfield.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Ohio in 2003Every state in 2003This day in weather historyWarnings in Ohio, 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: 5377121, 5377122, 5377118, 5377119, 5377120, 5377123.