Flood in Brown County, Ohio

Flood in Brown County, Ohio: 41 recorded events between 2008 and 2025. The strongest on record measured 0. That places the county #317 nationally and #20 statewide for this hazard.

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

The busiest decade for flood in Brown County is the 2010s, when 21 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 Brown County archive, flood makes up 9.2% of all recorded severe weather across 6 hazard types. Nationally the county sits at #317 for this hazard and #20 within Ohio, putting it in the 88.9 percentile of all U.S. counties.

Sep is the peak month for flood in Brown County with 10 recorded events, while Oct 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 251
• Hail 66
• Flash Flood 58

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

41 flood events are recorded in Brown County between 2008 and 2025, causing 0 direct deaths.

What is the strongest flood recorded in Brown County?

The strongest flood on record in Brown County measured 0.

Where does the flood data for Brown 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.