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HurricaneLA

Louisiana Hurricane Hazard Profile

Climate-Adjusted Hazard Data · Model Version 1.0

Overview

Louisiana's Gulf Coast position and low-lying coastal geography create extreme hurricane and storm surge exposure. IBTrACS data shows Louisiana has the second-highest frequency of major hurricane landfalls among US states. The state's coastal wetland loss of approximately 2,000 square miles since the 1930s (USGS) has reduced the natural storm surge buffer.

Notable Historical Events

12021 Hurricane Ida — CAT 4 at landfall, $75B+ total damage (FEMA DR-4611)
22020 Hurricane Laura — CAT 4 at Lake Charles (FEMA DR-4559)
32005 Hurricane Katrina — $125B+ total damage, deadliest US hurricane of modern era (FEMA DR-1603)

Hazard Scoring Approach

CivilSense computes a Climate-Adjusted Hazard Score (0–10) for hurricane 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 Louisiana address to see location-specific hurricane hazard scoring with full methodology transparency.

Open Live Map — Louisiana

Data Sources

NOAA National Hurricane Centerwww.nhc.noaa.gov
IBTrACS Best Track Datawww.ncei.noaa.gov
USGS Coastal Change Hazardswww.usgs.gov

Related

Louisiana FloodHurricane 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