Severe Weather History


Hazard archive · 1950 — present

Flash Flood in Knox County, Kentucky

53

Recorded events

1

Direct deaths

0

Direct injuries

$4.1M

Property damage

Flash Flood in Knox County, Kentucky: 53 recorded events between 1996 and 2021. The strongest on record measured 0. That places the county #561 nationally and #17 statewide for this hazard.

Decade by decade

Flash Flood in Knox County, Kentucky: events per decade

Flash Flood in Knox County, Kentucky: recorded events per decade
Flash Flood in Knox County, Kentucky: recorded events per decade

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

The busiest decade for flash flood in Knox County is the 2010s, when 26 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 Knox County archive, flash flood makes up 18.3% of all recorded severe weather across 8 hazard types. Nationally the county sits at #561 for this hazard and #17 within Kentucky, putting it in the 81.5 percentile of all U.S. counties.

Seasonality

Events by month

6Jan
3Feb
1Mar
10Apr
4May
7Jun
10Jul
7Aug
0Sep
0Oct
2Nov
3Dec

Apr is the peak month for flash flood in Knox County with 10 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.

Significant events

Deadliest on record

DateLocationScaleDeathsInjuriesDamage
Jun 20, 2011ANCHOR010$25K
Source: NOAA/NCEI Storm Events · dates UTC

Most recent

Latest recorded events

DateLocationMagnitudeDamage
Feb 28, 2021JARVIS STORE0$0
May 5, 2020MOORE HILL0$200
Jul 18, 2019KAYJAY0$3K
Jul 7, 2019WARREN0$6K
Aug 18, 2018BARBOURVILLE0$0
Aug 18, 2018CAMP GROUNDS0$0
Aug 8, 2018WILTON0$0
May 28, 2017HIMYAR0$1K
Apr 12, 2017BARBOURVILLE0$0
Dec 25, 2015FLAT LICK0$1K
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from Knox 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 Knox County, Kentucky?

53 flash flood events are recorded in Knox County between 1996 and 2021, causing 1 direct deaths.

What is the strongest flash flood recorded in Knox County?

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

Where does the flash flood data for Knox 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 Knox County, Kentucky.” Severe Weather History. severeweatherhistory.com/county/kentucky/knox-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


Historical reference only — for official alerts visit weather.gov