Enter any address in Calhoun County, Alabama to see its FEMA flood zone
Flash flooding from severe weather events is the most frequent type of flooding in Calhoun County, AL, with 32 such events recorded by NOAA over the last 30 years. Tropical storms and depressions have also contributed to flooding, with 7 events in total. Recent examples include flash flooding on March 15, 2025, associated with a significant severe weather outbreak, and flash flooding on August 2, 2025, following heavy rainfall from slow-moving thunderstorms.
National Flood Insurance Program (NFIP) data shows that properties in Zone A have experienced the most claims, with 71 claims averaging $4,484. However, properties in Zone X have seen higher average payouts of $10,468, with an average water depth of 0.6 feet. Properties in Zone V, though fewer in number, have experienced the deepest water on average, at 4.0 feet. Homeowners in Zone A, Zone X, and particularly those in Zone V, should pay close attention to flood risk information.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
17 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Calhoun County, Alabama has recorded 42 flood-related events since 1996 according to NOAA's Storm Events Database, including 32 flash floods and 3 river or area floods. The county has received 23 federal disaster declarations. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1977–2024)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Hurricane Helene | Hurricane | Sep 22, 2024 |
| Severe Storms, Straight-line Winds, And Tornadoes | Severe Storm | Mar 25, 2021 |
| Hurricane Zeta | Hurricane | Oct 28, 2020 |
| Hurricane Sally | Hurricane | Sep 14, 2020 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms And Tornadoes | Severe Storm | Mar 19, 2018 |
| Hurricane Irma | Hurricane | Sep 8, 2017 |
| Severe Storms, Tornadoes, And Straight-line Winds | Severe Storm | Apr 27, 2011 |
| Severe Storms, Tornadoes, Straight-line Winds, And Flooding | Severe Storm | Apr 15, 2011 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Mar 15, 2025 | 0.00K |
| Flood | Aug 3, 2025 | 0.00K |
| Flash Flood | Aug 2, 2025 | 0.00K |
| Flash Flood | Mar 22, 2022 | 0.00K |
| Flash Flood | Jun 7, 2022 | 0.00K |
| Flash Flood | May 4, 2021 | 0.00K |
| Tropical Storm | Oct 29, 2020 | 0.00K |
| Flash Flood | Feb 10, 2020 | 0.00K |
| Flash Flood | Feb 6, 2020 | 0.00K |
| Flash Flood | Jul 19, 2019 | 0.00K |
Flash Flood — Mar 15, 2025
A significant severe weather event unfolded across Central Alabama on March 15, with 15 tornadoes, several instances of straight-line wind damage, and isolated flooding. An initial round of storms during the early morning brought reports of large hail in Pickens and Walker counties, followed by an afternoon round with several strong, long-track tornadoes. Of the 15 tornadoes, five were rated EF...
Flood — Aug 3, 2025
Slow-moving thunderstorms occurred during the afternoon of August 1. One storm dumped 2-3 of rain over a localized area of Vestavia Hills and northern Hoover in less than an hour, resulting in numerous street flooding issues along Highway 31 and nearby roadways. The next day, heavy rainfall developed along a boundary between the I-59 and I-20 corridors in northeast Central Alabama during the af...
Flash Flood — Aug 2, 2025
Slow-moving thunderstorms occurred during the afternoon of August 1. One storm dumped 2-3 of rain over a localized area of Vestavia Hills and northern Hoover in less than an hour, resulting in numerous street flooding issues along Highway 31 and nearby roadways. The next day, heavy rainfall developed along a boundary between the I-59 and I-20 corridors in northeast Central Alabama during the af...
Flash Flood — Mar 22, 2022
Several supercell thunderstorms developed ahead of a QLCS in advance of a cold front. One supercell produced three weak tornadoes, with another QLCS producing a weak tornado. Training thunderstorms resulted in many instances of flash flooding and river flooding, with three flash flood fatalities occurring in Tuscaloosa County.
Flash Flood — Jun 7, 2022
Several rounds of showers and thunderstorms occurred across North Central Alabama from the afternoon of June 7th through the evening of June 8th. The activity was the result several upper-level disturbances moving over a slow moving surface front. Some storms were strong to severe at times with damaging wind gusts, as well as large hail. Many of these thunderstorms went on to evolve into cluste...
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Calhoun County, Alabama:
AE High Risk — 1% annual chance of flooding. Insurance required.
VE Very High Risk — Coastal flooding with wave action.
X (Shaded) Moderate Risk — 500-year floodplain.
X Low Risk — Outside major floodplains.
Properties in Calhoun County, Alabama that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.
Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.
Visit FloodSmart.gov to find an agent and get a quote.