County Hazards

States › Alabama › Calhoun County › Flood

Flood in Calhoun County, Alabama

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

35 events · 0 deaths recorded · peak month May · county share of state 1.0%

2025-08-03: Flood2025-08-02: Flood2025-03-15: Flood2022-06-07: Flood2022-03-22: Flood2021-05-04: Flood2020-02-10: Flood2020-02-06: Flood2019-07-19: Flood2017-05-30: Flood2015-12-25: Flood2014-04-07: Flood2013-05-18: Flood2013-05-18: Flood2013-04-17: Flood2013-01-30: Flood2013-01-30: Flood2011-03-09: Flood2011-03-09: Flood2010-01-24: Flood2009-11-10: Flood2009-09-17: Flood2008-05-27: Flood2005-07-10: Flood2005-06-06: Flood
Flood event locations in and around Calhoun 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 35 flood events in Calhoun County, Alabama, between 1950 and 2026, spread over 19 years.

May is the busiest month, with 8 of the recorded events. The last 20 years account for 23 events against 12 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 1% of the 3,380 flood events recorded in Alabama; its 5.8 per 100 square miles compares with 6.7 statewide.

Compared with Alabama

MeasureCalhoun CountyAlabamaUS
Flood events since 1950353,380183,559
Per 100 square miles5.86.75.2
Per 10,000 residents3.06.75.5
Deaths recorded0382,961
Busiest monthMayFebruaryJune

By year

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

Seasonality

Jan
4
Feb
2
Mar
4
Apr
3
May
8
Jun
3
Jul
3
Aug
3
Sep
2
Oct
0
Nov
2
Dec
1
Flood events in Calhoun County by month of occurrence, all years.

Recorded events

All 35 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
3 Aug 2025Flood—————County
2 Aug 2025Flash Flood—————County
15 Mar 2025Flash Flood—————County
7 Jun 2022Flash Flood—————County
22 Mar 2022Flash Flood—————County
4 May 2021Flash Flood—————County
10 Feb 2020Flash Flood—————County
6 Feb 2020Flash Flood—————County
19 Jul 2019Flash Flood—————County
30 May 2017Flash Flood—————County
25 Dec 2015Flash Flood—————County
7 Apr 2014Flash Flood—————County
18 May 2013Flood—————County
18 May 2013Flash Flood————1County
17 Apr 2013Flash Flood—————County
30 Jan 2013Flash Flood—————County
30 Jan 2013Flash Flood—————County
9 Mar 2011Flash Flood—————County
9 Mar 2011Flash Flood—————County
24 Jan 2010Flash Flood—$10K———County
10 Nov 2009Flood—————County
17 Sep 2009Flash Flood—$5K———County
27 May 2008Flash Flood—$15K———County
10 Jul 2005Flash Flood—$3K———County
6 Jun 2005Flash Flood—$3K———County
24 Nov 2004Flash Flood—$18K———County
16 Sep 2004Flash Flood—$3K———County
6 Jul 2004Flash Flood—$3K———County
18 May 2003Flash Flood—$10K———County
7 May 2003Flash Flood—$700K———County
5 May 2003Flash Flood—$45K———County
20 Aug 2002Flash Flood—$8K———County
25 Jun 1999Flash Flood—$2K———County
24 Apr 1999Flash Flood—$5K———County
7 Jan 1998Flash Flood—$30K$5K——County

Questions and answers

How many flood events has Calhoun County had?

35 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 Calhoun County?

3 Aug 2025 (Flood). Records reach NCEI about 120 days after the month ends.

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

The flash flood of 7 May 2003, with property damage estimated by NCEI at $700K.

How does Calhoun County compare with Alabama for flood?

5.8 events per 100 square miles against 6.7 statewide; the county holds 35 of the state's 3,380 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.