Severe Weather History


Hazard archive · 1950 — present

Flash Flood in DeKalb County, Alabama

60

Recorded events

3

Direct deaths

1

Direct injuries

$2.4M

Property damage

Flash Flood in DeKalb County, Alabama: 60 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #461 nationally and #13 statewide for this hazard.

Decade by decade

Flash Flood in DeKalb County, Alabama: events per decade

Flash Flood in DeKalb County, Alabama: recorded events per decade
Flash Flood in DeKalb County, Alabama: recorded events per decade

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

The busiest decade for flash flood in DeKalb County is the 2000s, when 22 of the county's 60 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 DeKalb County archive, flash flood makes up 6.2% of all recorded severe weather across 8 hazard types. Nationally the county sits at #461 for this hazard and #13 within Alabama, putting it in the 84.9 percentile of all U.S. counties.

Seasonality

Events by month

7Jan
7Feb
5Mar
13Apr
3May
7Jun
5Jul
4Aug
3Sep
1Oct
3Nov
2Dec

Apr is the peak month for flash flood in DeKalb County with 13 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.

Significant events

Deadliest on record

DateLocationScaleDeathsInjuriesDamage
Feb 23, 2019GROVE OAK011$0
Jun 20, 2021FT PAYNE010$0
Feb 5, 2020GROVE OAK010$0
Source: NOAA/NCEI Storm Events · dates UTC

Most recent

Latest recorded events

DateLocationMagnitudeDamage
Aug 20, 2025FT PAYNE ISBELL ARPT0$0
Jun 6, 2025FT PAYNE ISBELL ARPT0$0
Feb 13, 2025FYFFE0$0
Jul 30, 2022KILPATRICK0$0
Jun 20, 2021FT PAYNE0$0
May 4, 2021RAINSVILLE0$0
Mar 25, 2021FT PAYNE0$0
Mar 25, 2021FT PAYNE0$0
Apr 13, 2020SULPHUR SPGS0$0
Apr 13, 2020VALLEY HEAD0$0
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from DeKalb 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 flash flood events are on record in DeKalb County, Alabama?

60 flash flood events are recorded in DeKalb County between 1996 and 2025, causing 3 direct deaths.

What is the strongest flash flood recorded in DeKalb County?

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

Where does the flash flood data for DeKalb 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

“Flash Flood in DeKalb County, Alabama.” Severe Weather History. severeweatherhistory.com/county/alabama/dekalb-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


Historical reference only — for official alerts visit weather.gov