Flash Flood in Fairfield County, Ohio

Flash Flood in Fairfield County, Ohio: 41 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #797 nationally and #28 statewide for this hazard.

Reporting practice changed over time — early decades are undercounted, not calmer.

The busiest decade for flash flood in Fairfield County is the 2020s, when 17 of the county's 41 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.

Within the Fairfield County archive, flash flood makes up 8.2% of all recorded severe weather across 8 hazard types. Nationally the county sits at #797 for this hazard and #28 within Ohio, putting it in the 73.6 percentile of all U.S. counties.

Jul is the peak month for flash flood in Fairfield County with 24 recorded events, while Feb is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.

• Thunderstorm Wind 279
• Hail 114

How many flash flood events are on record in Fairfield County, Ohio?

41 flash flood events are recorded in Fairfield County between 1996 and 2025, causing 2 direct deaths.

What is the strongest flash flood recorded in Fairfield County?

The strongest flash flood on record in Fairfield County measured 0.

Where does the flash flood data for Fairfield County come from?

All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.