Enter any address in Brown County, Texas to see its FEMA flood zone
Flash flooding from thunderstorms is the dominant flood character in Brown County. Over the last 30 years, NOAA Storm Events data shows 63 flash flood events, resulting in 2 deaths, compared to 5 general flood events with 1 death. Recent examples include flash flooding reported on July 7th, and again on May 4th, both occurring within the last few years.
National Flood Insurance Program (NFIP) claims data indicates that properties in Zone A have experienced the highest number of claims, with an average payout of $17,859 and an average water depth of 2.6 feet. Properties in Zone X_SHADED and Zone X_UNSHADED have also seen significant claims. Homeowners in Zone A, and those in other designated flood zones, should pay close attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
16 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Brown County, Texas has recorded 68 flood-related events since 1996 according to NOAA's Storm Events Database, including 63 flash floods and 5 river or area floods. The county has received 25 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 (1989–2024)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| 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 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms And Flooding | Flood | Sep 10, 2018 |
| 259 Fire | Fire | Jul 23, 2018 |
| Severe Storms And Flooding | Flood | May 22, 2016 |
| Severe Storms, Tornadoes, Straight-line Winds And Flooding | Severe Storm | May 4, 2015 |
| Wildfires | Fire | Apr 6, 2011 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jul 7, 2025 | 0.00K |
| Flash Flood | May 4, 2024 | 0.00K |
| Flash Flood | May 6, 2023 | 0.00K |
| Flash Flood | May 24, 2022 | 0.00K |
| Flood | May 12, 2019 | 5.00K (1 deaths) |
| Flood | Oct 17, 2018 | 2.40M |
| Flash Flood | Apr 17, 2016 | 0.00K |
| Flash Flood | May 28, 2015 | 0.00K |
| Flash Flood | May 27, 2015 | 0.00K |
| Flood | Jul 8, 2015 | 0.00K |
Flash Flood — Jul 7, 2025
Remnant tropical moisture along with an upper level area of low pressure resulted in showers and thunderstorms across portions of the northwest Hill Country, which produced flash flooding on July 7th. Isolated strong to severe thunderstorms developed across portions of the Concho Valley and Big Country on July 8th and July 9th, producing severe wind gusts.
Flash Flood — May 4, 2024
A favorable weather pattern for widespread severe weather was in place across west central Texas during early May. There was an upper level southwest flow and a sharp dryline in the area. Also, extreme instability was present along with strong vertical wind shear during the late afternoon and evening hours. A supercell thunderstorm produced a tornado in Crockett County. Also, severe thunderstor...
Flash Flood — May 6, 2023
The combination of a well defined surface dryline, weak upper level disturbances, and strong to extreme instability, resulted in scattered afternoon and evening severe thunderstorms across portions of the Big Country and Heartland areas. The severe storms were mainly east of an Haskell to Abilene to Ballinger to Brownwood line. The vertical wind shear was strong enough for most of the storms to...
Flash Flood — May 24, 2022
A surface outflow boundary and dryline was located across the Concho Valley during the afternoon hours along with strong instability to the south of the boundary. Scattered severe thunderstorms quickly developed across the Concho Valley by late afternoon and the combination of the strong instability and deep layer shear resulted in a few supercells. These storms produced baseball to one report ...
Flood — May 12, 2019
High water resulted in a flash flood fatality in Brown County. Heavy rains earlier in the month had caused abnormal high flow on Pecan Bayou.
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 Brown 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 Brown 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.