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FloodTX

Texas Flood Hazard Profile

Climate-Adjusted Hazard Data · Model Version 1.0

Overview

Texas leads US states in flood-related fatalities and ranks among the highest for NFIP claims. The state's geography produces diverse flood hazards: Gulf Coast storm surge, Hill Country flash flooding, and riverine flooding along the Brazos, Colorado, and Trinity rivers. Harris County (Houston) alone has experienced multiple 500-year flood events since 2015.

Notable Historical Events

12017 Hurricane Harvey flooding — 154,000+ homes flooded in Harris County
22015 Memorial Day Floods — catastrophic flash flooding, Blanco River (FEMA DR-4223)
32016 Tax Day Floods — $2.7B damage in Houston (FEMA DR-4269)

Hazard Scoring Approach

CivilSense computes a Climate-Adjusted Hazard Score (0–10) for flood hazard at any US address. The score is composed of weighted sub-components derived from federal data sources and peer-reviewed research. All score components are transparent and returned in API responses.

These are hazard scores — physical intensity likelihood only. They do not include property exposure or vulnerability data. We never call a hazard score a risk score. See the full methodology for scoring details.

Analyze Your Address

Enter any Texas address to see location-specific flood hazard scoring with full methodology transparency.

Open Live Map — Texas

Data Sources

FEMA National Flood Hazard Layerwww.fema.gov
NOAA AHPS River Gaugeswater.weather.gov
Harris County Flood Control Districtwww.hcfcd.org

Related

Texas HurricaneTexas Severe WeatherTexas WildfireFlood Methodology

Climate-Adjusted Hazard Score — derived from peer-reviewed sources listed above. Property exposure data not included. Not a substitute for professional actuarial assessment. For situational awareness only — not for emergency response.

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For situational awareness only — not for emergency response.

Data: USGS · NOAA · FEMA · NASA FIRMS · GDELT