Flash Flood in Guernsey County, Ohio

Flash Flood in Guernsey County, Ohio: 40 recorded events between 1996 and 2024. The strongest on record measured 0. That places the county #826 nationally and #32 statewide for this hazard.

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

The busiest decade for flash flood in Guernsey County is the 2000s, when 15 of the county's 40 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 Guernsey County archive, flash flood makes up 9.9% of all recorded severe weather across 7 hazard types. Nationally the county sits at #826 for this hazard and #32 within Ohio, putting it in the 72.5 percentile of all U.S. counties.

Jun is the peak month for flash flood in Guernsey County with 11 recorded events, while Sep 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 219
• Hail 104

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

40 flash flood events are recorded in Guernsey County between 1996 and 2024, causing 0 direct deaths.

What is the strongest flash flood recorded in Guernsey County?

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

Where does the flash flood data for Guernsey 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.