Enter any address in Crosby County, Texas to see its FEMA flood zone
Flash flooding from severe thunderstorms is the dominant flood character in Crosby County. Between 2000 and 2024, NOAA Storm Events data recorded 10 flash flood events and 9 general flood events, with one tropical depression also impacting the area. Recent examples include flash flooding on April 24, 2025, and May 1, 2024, associated with severe thunderstorms.
A review of National Flood Insurance Program (NFIP) claims in Crosby County shows one claim in Zone X, with an average payout of $32,519 and an average water depth of 0.0 feet. Residents in areas prone to flash flooding, particularly those in lower-lying areas or without a documented Base Flood Elevation (BFE), should pay the most attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
10 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Crosby County, Texas has recorded 20 flood-related events since 1996 according to NOAA's Storm Events Database, including 10 flash floods and 9 river or area floods. The county has received 16 federal disaster declarations. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1992–2021)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| 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 Winter Storms, Tornadoes, Straight-line Winds, And Flooding | Severe Storm | Dec 26, 2015 |
| Wildfires | Fire | Apr 6, 2011 |
| Wildfires | Fire | Mar 14, 2008 |
| Extreme Wildfire Threat | Fire | Nov 27, 2005 |
| Hurricane Rita | Hurricane | Sep 23, 2005 |
| Hurricane Katrina Evacuation | Hurricane | Aug 29, 2005 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Apr 24, 2025 | 0.00K |
| Flash Flood | Jun 5, 2025 | 0.00K |
| Flash Flood | May 1, 2024 | 0.00K |
| Flood | May 24, 2019 | 1.00K |
| Flood | Oct 8, 2018 | 0.00K |
| Flood | Nov 2, 2016 | 0.00K |
| Flash Flood | May 14, 2015 | 10.00K |
| Flood | Jul 6, 2015 | 0.00K |
| Flood | May 26, 2014 | 0.00K |
| Flood | May 23, 2014 | 0.00K |
Flash Flood — Apr 24, 2025
Another day of widespread severe thunderstorms occurred on the afternoon and evening hours of the 24th. Persistent but weak southwesterly flow aloft increased on the 24th which allowed supercell thunderstorms to produce giant hail. Increased low level southeasterly winds also allowed these thunderstorms to produce numerous tornadoes. Thunderstorms initially developed late in the afternoon along...
Flash Flood — Jun 5, 2025
During the afternoon and evening hours of the fifth, an intense supercell thunderstorm moved over the South Plains region of West Texas, producing several tornadoes over portions of Cochran, Hockley, and Lubbock Counties. This thunderstorm also produced widespread damage from very strong straight-line winds and large hail across western and southwestern portions of the City of Lubbock (Lubbock ...
Flash Flood — May 1, 2024
Numerous severe thunderstorms developed on the afternoon of the first in advance of a short wave trough moving across southern New Mexico and northern Chihuahua. A dryline initially positioned near the Texas/New Mexico state line early in the morning, mixed eastward through the day, settling along and just east of the Interstate 27/US Highway 87 corridor. Scattered thunderstorms initially devel...
Flood — May 24, 2019
A persistent upper level trough over the western United States allowed for another day of convective development across the South Plains of West Texas. Although strong large scale lift was not anticipated on the afternoon of the 24th, widespread severe thunderstorms developed under a very moist and unstable atmosphere. A quasi-stationary warm front began to move northward during the morning hou...
Flood — Oct 8, 2018
Early morning showers and thunderstorms across much of the South Plains were followed by additional rounds of heavy rainfall through midday. The latter rounds of rain were focused near and just east of the Interstate 27 and US Highway 87 corridor where as much as two inches of rain fell on top of soils that were already saturated from heavy rains that fell just three days earlier. The result w...
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 Crosby 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 Crosby 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.