3 flood, 1 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 4 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 8, 2:04 PM EST, 3 hours 7 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WILMINGTON OH 304 PM EDT FRI AUG 8 2003 UPPER TROF PERSISTS ACROSS ILN CWA...HELD IN PLACE BY RIDGES OVER WESTERN CONUS AND BERMUDA. TROF WILL REMAIN HERE OVER THE NEXT FEW DAYS...THOUGH THERE ARE SIGNS THAT SOME WEAKENING WILL OCCUR BY TUESDAY. DIFFUSE SURFACE PATTERN HAS WEAK LOW OVER SOUTHEASTERN CONUS WITH A HIGH OVER THE UPPER GREAT LAKES. BOTH ETA AND GFS BRING THE LOW THROUGH PENNSYLVANIA LATE SATURDAY...WITH ETA BEING SLOWER AND FARTHER EAST. THE LOW IS THEN PROGGED TO MOVE TO NEW ENGLAND...LEAVING A TROF IN ITS WAKE. WITH RELATIVELY MOIST UNSTABLE AIRMASS UNDERNEATH COOL UPPER TROF...SCATTERED TSRA HAVE DEVELOPED AGAIN TODAY. AS IN PREVIOUS DAYS...THESE TSRA WILL DIE OUT AFTER DARK. WITH LITTLE CHANGE IN AIRMASS...I EXPECT THE SAME SITUATION ON SATURDAY AND SUNDAY. ON SATURDAY...SURFACE LOW MOVING THROUGH PENNSYLVANIA WILL ENHANCE THE CHANCE FOR TSRA OVER OUR EASTERN COUNTIES...SO POPS IN THE 30 TO 40 RANGE WILL WORK THERE. 20 POPS WILL BE APPROPRIATE IN OUR WESTERN ZONES FARTHER FROM THE SURFACE FORCING. VORT MAX IS FORECAST TO DROP INTO OHIO ON SUNDAY. HOWEVER...DUE TO THE LACK OF SURFACE FORCING...20 POPS WILL WORK ACROSS OUR ENTIRE AREA ON SUNDAY. TEMPS: HIGHS AROUND 80 AND LOWS IN LOW TO MID 60S WILL PERSIST IN STAGNANT PATTERN. EXTENDED: UPPER TROF IS LIKELY TO PERSIST AT LEAST THROUGH TUESDAY. MODELS HAVE BACKED OFF A BIT ON RIDGE BUILDING IN ON WEDNESDAY...BUT IVE DECIDED TO KEEP DRY FORECAST FOR WEDNESDAY THROUGH FRIDAY. .ILN...NONE. CONIGLIO
INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046- 051>056-060>065-070>074-077>082-088-081100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE WILMINGTON OH 509 AM EDT FRI AUG 8 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN INDIANA...NORTHERN KENTUCKY AND THE SOUTHWEST QUARTER OF OHIO. .DAY ONE...TODAY SCATTERED THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL AND VERY LOCALIZED FLOODING. AN ISOLATED SEVERE STORM WILL ALSO BE POSSIBLE THIS AFTERNOON AND EVENING. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY SCATTERED/ISOLATED AFTERNOON AND EVENING THUNDERSTORMS WILL BE POSSIBLE SATURDAY THROUGH TUESDAY. ANY OF THESE STORMS MAY PRODUCE TORRENTIAL RAINFALL AND VERY LOCALIZED FLOODING. AN ISOLATED SEVERE STORM CANNOT BE RULED OUT AS WELL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. TIPTON
The Cincinnati radar (KILN), 67 km away, was scanning. The volume nearest the first event began at 22:13 UTC.
3 flood, 1 flash flood. Local standard time, as filed.
Scattered thunderstorms with heavy rain caused localized flooding of roads in the Cincinnati metro area, and across portions of south central Ohio.
Sutton Road was flooded with twelve to eighteen inches of water.
Scattered thunderstorms with heavy rain caused localized flooding of roads in the Cincinnati metro area, and across portions of south central Ohio.
Scattered thunderstorms with heavy rain caused localized flooding of roads in the Cincinnati metro area, and across portions of south central Ohio.
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: 5377126, 5377202, 5377201, 5377203.