Enter any address in Calhoun County, Texas to see its FEMA flood zone
Flash flooding from thunderstorms is the most frequent flood event in Calhoun County, TX, with 34 occurrences in the last 30 years. Recent examples include severe wind gusts and property damage near Magnolia Beach in June 2024, and significant coastal flooding of 3 to 3.5 feet along the coast in June 2024 due to Tropical Storm Alberto. Tropical storms and hurricanes have also impacted the county, with Hurricane Beryl causing notable effects in July 2024.
National Flood Insurance Program (NFIP) data shows a mix of flood zones and claim payouts. Zone A, with 268 claims, averaged $6,382 and 1.1 feet of water depth. Zone V, often associated with coastal storm surge, had 89 claims averaging $7,726 and 2.3 feet of water depth. Properties in Zone V and Zone A, as well as those in coastal areas, should pay particular attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
33 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Calhoun County, Texas has recorded 72 flood-related events since 1996 according to NOAA's Storm Events Database, including 34 flash floods and 5 river or area floods. The county has received 28 federal disaster declarations, 5 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1967–2024)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Hurricane Beryl | Hurricane | Jul 5, 2024 |
| Severe Storms, Straight-line Winds, Tornadoes, And Flooding | Flood | Apr 26, 2024 |
| Severe Winter Storm | Severe Ice Storm | Feb 11, 2021 |
| Severe Winter Storms | Severe Ice Storm | Feb 11, 2021 |
| Tropical Storms Marco And Laura | Hurricane | Aug 23, 2020 |
| Hurricane Hanna | Hurricane | Jul 25, 2020 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Hurricane Harvey | Hurricane | Aug 23, 2017 |
| Hurricane Alex | Hurricane | Jun 30, 2010 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Coastal Flood | Jun 19, 2024 | 0.00K |
| Tropical Storm | Jul 8, 2024 | 5.00K |
| Flash Flood | Jun 1, 2024 | 0.00K |
| Tropical Storm | Aug 22, 2023 | 25.00K |
| Flash Flood | May 10, 2023 | 0.00K |
| Flash Flood | May 19, 2021 | 0.00K |
| Flood | Sep 13, 2021 | 0.00K |
| Storm Surge/Tide | Sep 13, 2021 | 25.00K |
| Storm Surge/Tide | Sep 13, 2021 | 0.00K |
| Tropical Storm | Sep 13, 2021 | 0.00K |
Coastal Flood — Jun 19, 2024
Tropical Storm Alberto was a very broad and unorganized storm that developed across the Southwestern Gulf of Mexico. Alberto eventually made landfall between the hours of 4-7 AM on June 20, 2024 near Tampico, Mexico. The system brought a variety of hazards to the region, including storm surge, heavy rains, strong winds, and a couple isolated tornadoes. Significant coastal flooding, around 3 to ...
Tropical Storm — Jul 8, 2024
Beryl became the earliest category 5 atlantic hurricane on July 1st between the Lesser Antilles and the Dominican Republic. Beryl rapidly weakened to tropical storm strength as it crossed the Yucatan Peninsula moving west-northward, shifting north and east along the Texas Coast on its trajectory persistently until landfall near Matagorda, TX during the early morning hours of July 8th as a categ...
Flash Flood — Jun 1, 2024
A cluster of strong to severe storms over the Victoria Crossroads moved southeastward into Calhoun County and the Bays of the Middle to Upper Texas Coast. Severe wind gusts were reported in the morning of June 1st, with a later storm survey reporting two capsized boats, RV and shed completely destroyed, loss of shingles, and a snapped power pole near Magnolia Beach in Calhoun County.
Tropical Storm — Aug 22, 2023
Tropical Storm Harold moved west across south Texas on the 22nd. An area of low pressure developed over the central Gulf of Mexico on the 21st. A large area of high pressure over the central United States into the northern Gulf Coast steered the system quickly westward toward the Middle Texas coast. The low strengthened into Tropical Storm Harold by the early morning hours of the 22nd. Harold i...
Flash Flood — May 10, 2023
Thunderstorms trained over the eastern parts of San Patricio County during the afternoon on the 9th and over Aransas and eastern Calhoun Counties on the morning of the 10th. The storms produced very heavy rainfall with amounts between 3 to 5 inches. The heavy rainfall caused flooding in Aransas Pass, Rockport, and Port Lavaca.
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, Texas:
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, Texas 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.