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Flood in Hancock County, Mississippi

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 June · county share of state 1.3%

2026-06-18: Flood2026-06-18: Flood2026-06-18: Flood2026-06-18: Flood2026-06-18: Flood2026-06-18: Flood2026-06-06: Flood2026-06-06: Flood2026-06-06: Flood2026-05-25: Flood2026-05-25: Flood2026-05-25: Flood2026-05-25: Flood2026-05-25: Flood2021-04-15: Flood2019-05-12: Flood2019-05-12: Flood2018-07-16: Flood2018-04-14: Flood2018-04-14: Flood2015-05-16: Flood2015-04-14: Flood2014-04-14: Flood2012-03-21: Flood2011-03-09: Flood2010-06-30: Flood2009-12-12: Flood2009-03-28: Flood2007-10-22: Flood2005-05-29: Flood
Flood event locations in and around Hancock 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.

NCEI records 49 flood events in Hancock County, Mississippi, between 1950 and 2026, spread over 20 years.

June is the busiest month, with 14 of the recorded events. The last 20 years account for 40 events against 9 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 1.3% of the 3,812 flood events recorded in Mississippi; its 10.3 per 100 square miles compares with 8.1 statewide.

Compared with Mississippi

MeasureHancock CountyMississippiUS
Flood events since 1950493,812183,559
Per 100 square miles10.38.15.2
Per 10,000 residents10.612.95.5
Deaths recorded0262,961
Busiest monthJuneAprilJune

By year

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

Seasonality

Jan
1
Feb
1
Mar
5
Apr
7
May
13
Jun
14
Jul
2
Aug
0
Sep
1
Oct
3
Nov
0
Dec
2
Flood events in Hancock 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
18 Jun 2026Flash Flood—————County
18 Jun 2026Flash Flood—————County
18 Jun 2026Flash Flood—————County
18 Jun 2026Flash Flood—————County
18 Jun 2026Flash Flood—————County
18 Jun 2026Flash Flood—————County
6 Jun 2026Flash Flood—————County
6 Jun 2026Flash Flood—————County
6 Jun 2026Flash Flood—————County
25 May 2026Flood—————County
25 May 2026Flash Flood—————County
25 May 2026Flash Flood—————County
25 May 2026Flash Flood—————County
25 May 2026Flash Flood—————County
19 May 2021Coastal Flood—————Forecast zone
15 Apr 2021Flash Flood—————County
12 May 2019Flood—————County
12 May 2019Flood—$100K———County
16 Jul 2018Flash Flood—————County
14 Apr 2018Flash Flood—————County
14 Apr 2018Flash Flood—————County
30 Apr 2017Coastal Flood—————Forecast zone
25 Oct 2015Coastal Flood—————Forecast zone
15 Jun 2015Coastal Flood—————Forecast zone
16 May 2015Flash Flood—————County
14 Apr 2015Flash Flood—————County
14 Apr 2014Flash Flood—————County
21 Mar 2012Flash Flood—————County
9 Mar 2011Flash Flood—————County
30 Jun 2010Coastal Flood—————Forecast zone
30 Jun 2010Flash Flood—————County
2 May 2010Coastal Flood—————Forecast zone
1 May 2010Coastal Flood—————Forecast zone
4 Feb 2010Coastal Flood—————Forecast zone
12 Dec 2009Flash Flood—————County
1 Dec 2009Coastal Flood—————Forecast zone
28 Mar 2009Flash Flood—————County
27 Mar 2009Coastal Flood—————Forecast zone
10 Apr 2008Coastal Flood—————Forecast zone
22 Oct 2007Flash Flood—————County
16 Oct 2006Coastal Flood—————Forecast zone
29 May 2005Flash Flood—————County
1 Jul 2003Flood—$250K———Forecast zone
30 Jun 2003Flash Flood—$500K———County
26 Sep 2002Flash Flood—————County
11 Jun 2001Flood—————County
7 Mar 1998Flash Flood—————County
7 Jan 1998Flash Flood—$10K———County
19 May 1997Flash Flood—$100K———County

Questions and answers

How many flood events has Hancock 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 Hancock County?

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

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

The flash flood of 30 Jun 2003, with property damage estimated by NCEI at $500K.

How does Hancock County compare with Mississippi for flood?

10.3 events per 100 square miles against 8.1 statewide; the county holds 49 of the state's 3,812 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.