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Flood in Harrison County, Kentucky

49 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.

49 events · 0 deaths recorded · peak month May · county share of state 0.6%

2026-05-24: Flood2026-05-24: Flood2026-05-24: Flood2023-07-27: Flood2023-07-27: Flood2023-01-03: Flood2022-05-06: Flood2021-02-28: Flood2020-05-24: Flood2020-05-19: Flood2020-05-19: Flood2020-05-19: Flood2020-05-19: Flood2019-08-31: Flood2019-07-03: Flood2018-09-23: Flood2018-09-23: Flood2018-09-23: Flood2018-08-17: Flood2018-02-25: Flood2015-07-29: Flood2015-07-29: Flood2015-04-04: Flood2011-04-12: Flood2010-05-03: Flood2010-04-05: Flood2008-04-05: Flood2008-04-04: Flood2008-01-10: Flood2006-03-11: Flood
Flood event locations in and around Harrison County. Dots: Flood event locations in the kept record. Boundaries: US Census Bureau.

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.

Harrison County, Kentucky, has 49 flood events in the NCEI record since 1950, with at least one in 20 different years.

May is the busiest month, with 13 of the recorded events. The last 20 years account for 29 events against 20 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 0.6% of the 8,294 flood events recorded in Kentucky; its 16.0 per 100 square miles compares with 21.0 statewide.

Compared with Kentucky

MeasureHarrison CountyKentuckyUS
Flood events since 1950498,294183,559
Per 100 square miles16.021.05.2
Per 10,000 residents25.918.45.5
Deaths recorded01692,961
Busiest monthMayMayJune

By year

195019882026
Flood events recorded in Harrison County per year, 1950 to 2026 (2026 is partial).

Seasonality

Jan
2
Feb
4
Mar
7
Apr
5
May
13
Jun
3
Jul
7
Aug
3
Sep
3
Oct
0
Nov
0
Dec
2
Flood events in Harrison County by month of occurrence, all years.

Recorded events

All 49 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
24 May 2026Flash Flood—————County
24 May 2026Flash Flood—————County
24 May 2026Flash Flood—————County
27 Jul 2023Flash Flood—————County
27 Jul 2023Flash Flood—————County
3 Jan 2023Flash Flood—————County
6 May 2022Flash Flood—————County
28 Feb 2021Flood—————County
24 May 2020Flash Flood—$10K———County
19 May 2020Flash Flood—————County
19 May 2020Flash Flood—————County
19 May 2020Flash Flood—————County
19 May 2020Flash Flood—$20K———County
31 Aug 2019Flash Flood—————County
3 Jul 2019Flash Flood—————County
23 Sep 2018Flash Flood—————County
23 Sep 2018Flash Flood—————County
23 Sep 2018Flood—$100K———County
17 Aug 2018Flood—————County
25 Feb 2018Flood—————County
29 Jul 2015Flash Flood—————County
29 Jul 2015Flash Flood—————County
4 Apr 2015Flood—————County
12 Apr 2011Flood—————County
3 May 2010Flood—————County
5 Apr 2010Flash Flood—$3K———County
5 Apr 2008Flood—————County
4 Apr 2008Flash Flood—————County
10 Jan 2008Flash Flood—————County
11 Mar 2006Flash Flood—————County
19 May 2004Flash Flood—————County
5 May 2003Flash Flood—————County
19 Dec 2002Flash Flood—————County
25 Jun 2002Flash Flood—————County
20 Mar 2002Flood—————Forecast zone
20 Mar 2002Flash Flood—————County
3 Aug 2001Flash Flood—————County
22 Jul 2001Flash Flood—$50K———County
5 Jun 2001Flash Flood—————County
16 Dec 2000Flash Flood—————County
19 Feb 2000Flood—————Forecast zone
18 Feb 2000Flash Flood—————County
20 Jul 1998Flash Flood——$1.0M——County
22 Jun 1998Flash Flood—————County
1 Mar 1997Flood—————Forecast zone
1 Mar 1997Flood—————Forecast zone
1 Mar 1997Flood—$4.5M———Forecast zone
1 Mar 1997Flash Flood—————County
15 May 1996Flash Flood—————County

Questions and answers

How many flood events has Harrison County had?

49 events in the NCEI Storm Events record between 1950 and 2026. Reporting of floods and flash floods became far more complete after 1996, so early decades undercount.

When was the last recorded flood event in Harrison County?

24 May 2026 (Flash Flood). Records reach NCEI about 120 days after the month ends.

What was the most damaging flood event recorded in Harrison County?

The flood of 1 Mar 1997, with property damage estimated by NCEI at $4.5M.

How does Harrison County compare with Kentucky for flood?

16.0 events per 100 square miles against 21.0 statewide; the county holds 49 of the state's 8,294 recorded events.

Provenance

NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Flood hub and the county page.