2 flash flood, 1 tornado, 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 Cincinnati radar (KILN), 30 km away, was scanning. The volume nearest the first event began at 00:33 UTC.
2 flash flood, 1 tornado. Local standard time, as filed.
A tornado briefly touched down ripping a roof off a home and knocking down numerous trees.
From 2.5 to 5 inches of rain fell across Clark county with much of it falling in only a few hours. Numerous roads were flooded and people were rescued from their vehicles. A man was swept into Buck Creek and killed. The creek was 9 feet higher than normal.
Numerous roads closed.
As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.
| Event | Date | Age | Sex | Where | Kind |
|---|---|---|---|---|---|
| Flash Flood, Clark | 1998-05-07 | 20 | Male | In Water | Direct |
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Ohio in 1998Every state in 1998This day in weather historyThe tornado archive for Ohio, 1998Warnings in Ohio, May 1998
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: 5641850, 5641851, 5641852.