2 flood, 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 10, 1:00 PM EST, 1 hour earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WILMINGTON OH 200 PM EDT SUN AUG 10 2003 SCATTERED THUNDERSTORMS ONCE AGAIN ACROSS AREA EARLY THIS AFTERNOON. WATER VAPOR SATELLITE IMAGES SHOWING S/W DROPPING DOWN ACROSS INDIANA AND THIS AIDING IN CONVECTION ALONG WITH DIURNAL HEATING. S/W PROGGED TO WEAKEN AS IT DROPS INTO BASE OF TROF THROUGH THIS EVENING SO THIS ALONG WITH LOSS OF DAYTIME HEATING SHOULD ALLOW FOR PCPN TO TAPER OFF THROUGH MIDNIGHT. VERY LIGHT FLOW THROUGH THE ATMOSPHERE MAKING FOR SLOW MOVEMENT OF STORMS SO WILL ADD MENTION OF LOCALLY HEAVY RAIN FOR THIS EVENING. WETBULB ZERO A TAD LOWER THIS AFTERNOON THAN PAST FEW DAYS SO MAY HAVE A FEW MORE HAIL REPORTS WITH SOME STRONGER UPDRAFTS BUT MAIN PROBLEM FOR THIS EVENING LOOKS TO BE LOCALIZED FLOODING. THERE WAS NOT A WHOLE LOT IN THE WAY OF STRATUS FORMATION THIS MORNING AND FORECAST SOUNDINGS APPEAR TO BE MORE FAVORABLE FOR FOG TONIGHT SO WILL KEEP SKIES JUST PARTLY CLOUDY OVERNIGHT AND GO WITH AREAS OF FOG. UPPER LEVEL TROF ALONG WITH 8H THERMAL TROF FORECAST TO REMAIN ACROSS AREA THROUGH TUESDAY SO WILL MAINTAIN CURRENT FORECAST OF CHANCE OF AFTERNOON AND EVENING THUNDERSTORMS BOTH DAYS. GFS HAS BACKED OFF SOME ON BUILDING RIDGE INTO AREA FOR THE LATTER PART OF THE WEEK...NOW PUSHING RIDGE FARTHER NORTH UP INTO SOUTHERN CANADA AND KEEPING WEAK TROF AXIS ACROSS OUR AREA FOR MUCH OF THE WEEK. LOOKS LIKE WE SHOULD STILL SEE SOME WARMING OF THE 8H TEMPS THOUGH SO WILL MAINTAIN DRY FORECAST FOR NOW THROUGH THE EXTENDED. HOWEVER IF LATEST GFS PANS OUT...MAY END UP WITH CHANCE OF PCPN LINGERING A LITTLE LONGER INTO THE WEEK. .ILN...NONE.
INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046- 051>056-060>065-070>074-077>082-088-101600- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE WILMINGTON OH 508 AM EDT SUN AUG 10 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN INDIANA...NORTHERN KENTUCKY AND THE SOUTHWEST QUARTER OF OHIO. .DAY ONE...TODAY SCATTERED THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON AND EVENING. SOME WILL PRODUCE HEAVY RAINFALL AND LOCALIZED FLOODING. AN ISOLATED SEVERE STORM WILL ALSO BE POSSIBLE THIS AFTERNOON AND EVENING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY SCATTERED/ISOLATED AFTERNOON AND EVENING THUNDERSTORMS WILL BE POSSIBLE MONDAY AND TUESDAY. ANY OF THESE STORMS COULD PRODUCE TORRENTIAL RAINFALL AND LOCALIZED FLOODING. AN ISOLATED SEVERE STORM CANNOT BE RULED OUT AS WELL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. TIPTON
The national radar mosaic for the moment the first event began.
2 flood. Local standard time, as filed.
An isolated thunderstorm with heavy rain caused flooding of roads between Circleville and Amanda.
An isolated thunderstorm with heavy rain caused flooding of roads between Circleville and Amanda.
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: 5377214, 5377215.