Severe Weather History


Hazard archive · 1950 — present

Flood in Gallia County, Ohio

52

Recorded events

1

Direct deaths

0

Direct injuries

$238K

Property damage

Flood in Gallia County, Ohio: 52 recorded events between 2007 and 2025. The strongest on record measured 0. That places the county #226 nationally and #11 statewide for this hazard.

Decade by decade

Flood in Gallia County, Ohio: events per decade

Flood in Gallia County, Ohio: recorded events per decade
Flood in Gallia County, Ohio: recorded events per decade

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

The busiest decade for flood in Gallia County is the 2020s, when 25 of the county's 52 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 Gallia County archive, flood makes up 16.1% of all recorded severe weather across 8 hazard types. Nationally the county sits at #226 for this hazard and #11 within Ohio, putting it in the 92.3 percentile of all U.S. counties.

Seasonality

Events by month

6Jan
17Feb
9Mar
12Apr
2May
1Jun
0Jul
0Aug
1Sep
0Oct
0Nov
4Dec

Feb is the peak month for flood in Gallia County with 17 recorded events, while Jul 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.

Significant events

Deadliest on record

DateLocationScaleDeathsInjuriesDamage
Feb 13, 2020THURMAN010$5K
Source: NOAA/NCEI Storm Events · dates UTC

Most recent

Latest recorded events

DateLocationMagnitudeDamage
May 30, 2025SAND FORK0$0
Apr 7, 2025ADAMSVILLE0$0
Apr 4, 2025MERCERVILLE0$0
Apr 4, 2025CROWN CITY0$0
Apr 3, 2025RIO GRANDE0$0
Apr 3, 2025CADMUS0$0
Feb 6, 2025CHESHIRE0$0
Apr 3, 2024CADMUS0$0
Apr 3, 2024CHESHIRE0$0
Feb 28, 2024MERCERVILLE0$0
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from Gallia County

County overview →

From the record

What the reports say

Written by National Weather Service staff at the time of the event · public domain

Quick answers

Frequently asked

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

52 flood events are recorded in Gallia County between 2007 and 2025, causing 1 direct deaths.

What is the strongest flood recorded in Gallia County?

The strongest flood on record in Gallia County measured 0.

Where does the flood data for Gallia 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.

Cite this page

“Flood in Gallia County, Ohio.” Severe Weather History. severeweatherhistory.com/county/ohio/gallia-county/flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


Historical reference only — for official alerts visit weather.gov