Severe Weather History


Hazard archive · 1950 — present

Flash Flood in Johnson County, Arkansas

53

Recorded events

1

Direct deaths

0

Direct injuries

$2.4M

Property damage

Flash Flood in Johnson County, Arkansas: 53 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #561 nationally and #26 statewide for this hazard.

Decade by decade

Flash Flood in Johnson County, Arkansas: events per decade

Flash Flood in Johnson County, Arkansas: recorded events per decade
Flash Flood in Johnson County, Arkansas: recorded events per decade

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

The busiest decade for flash flood in Johnson County is the 2000s, when 21 of the county's 53 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 Johnson County archive, flash flood makes up 9.7% of all recorded severe weather across 8 hazard types. Nationally the county sits at #561 for this hazard and #26 within Arkansas, putting it in the 81.5 percentile of all U.S. counties.

Seasonality

Events by month

3Jan
0Feb
3Mar
6Apr
8May
12Jun
4Jul
5Aug
6Sep
2Oct
2Nov
2Dec

Jun is the peak month for flash flood in Johnson County with 12 recorded events, while Feb 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
Apr 5, 1997OARK010$0
Source: NOAA/NCEI Storm Events · dates UTC

Most recent

Latest recorded events

DateLocationMagnitudeDamage
Sep 24, 2025OARK0$0
Sep 23, 2025OARK0$0
Aug 28, 2025OARK0$0
Aug 28, 2025OARK0$0
Jun 7, 2025CLARKSVILLE0$0
Mar 24, 2023CLARKSVILLE0$0
Nov 5, 2022CLARKSVILLE MUNI ARP0$2K
Apr 29, 2021HICKEYTOWN0$0
Apr 29, 2021CLARKSVILLE0$0
Sep 24, 2019CLARKSVILLE0$0
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from Johnson 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 Johnson County, Arkansas?

53 flash flood events are recorded in Johnson County between 1996 and 2025, causing 1 direct deaths.

What is the strongest flash flood recorded in Johnson County?

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

Where does the flash flood data for Johnson 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 Johnson County, Arkansas.” Severe Weather History. severeweatherhistory.com/county/arkansas/johnson-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


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