Flash Flood in Montgomery County, Ohio

Flash Flood in Montgomery County, Ohio: 47 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #663 nationally and #21 statewide for this hazard.

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

The busiest decade for flash flood in Montgomery County is the 2010s, when 23 of the county's 47 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 Montgomery County archive, flash flood makes up 5.8% of all recorded severe weather across 7 hazard types. Nationally the county sits at #663 for this hazard and #21 within Ohio, putting it in the 78.3 percentile of all U.S. counties.

Jun is the peak month for flash flood in Montgomery County with 13 recorded events, while Jan 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 475
• Hail 207
• Flood 49

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

47 flash flood events are recorded in Montgomery County between 1996 and 2025, causing 0 direct deaths.

What is the strongest flash flood recorded in Montgomery County?

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

Where does the flash flood data for Montgomery 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.