Terrebonne Parish Disaster Risk
Terrebonne Parish, Louisiana
FEMA Risk Rating
Relatively Moderate
National Percentile
94th
of 3,144 counties
State Rank
#8
of 64 (1 = highest risk)
Flood Risk
94th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Moderate
Higher than 94% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Very Low
Higher than 23% of US counties
Tornado
Tornado and severe thunderstorm risk
Moderate
Higher than 93% of US counties
Earthquake
Seismic activity and ground shaking risk
Relatively Low
Higher than 55% of US counties
Hurricane
Tropical cyclone and hurricane risk
Relatively High
Higher than 98% of US counties
Risk Overview
About Natural Disaster Risk in Terrebonne Parish, Louisiana
Terrebonne faces high national disaster risk
Terrebonne Parish's composite risk score of 94.24 places it among America's most disaster-exposed counties, rated "Relatively Moderate." The parish contends with extreme hurricane and tornado threats that shape resident preparedness.
51% above Louisiana's state average
Terrebonne's 94.24 score significantly exceeds Louisiana's 62.37 average, ranking among the state's most hazard-vulnerable parishes. Only St. Tammany (96.56) and Tangipahoa (93.32) present comparably high exposure.
Third-riskiest parish statewide
Terrebonne Parish (94.24) ranks third in Louisiana disaster risk, trailing only St. Tammany (96.56) and Tangipahoa (93.32), while exceeding St. Landry (88.20), St. Mary (88.93), and all lower-risk parishes. The parish forms part of Louisiana's high-risk southern corridor.
Hurricanes and tornadoes dominate
Hurricane risk reaches 98.41—among the state's highest—while tornado risk of 92.94 creates a severe dual wind threat. Flood risk of 94.00 compounds danger, particularly during tropical systems.
Secure comprehensive multi-hazard coverage
Terrebonne residents must maintain homeowners insurance with explicit hurricane and tornado coverage, plus mandatory separate flood insurance given the parish's 94.00 flood score. Regular policy reviews ensure adequate limits for the parish's extreme 98.41 hurricane threat.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Terrebonne Parish
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Terrebonne Parish
Risk Verdict
FEMA's National Risk Index rates Terrebonne Parish at the 94th percentile nationally — above average and worth proactive preparation. Residents should prioritize a formal household emergency plan, including evacuation routes, insurance review, and a well-stocked emergency kit.
Hazard Breakdown
Hurricane risk is Terrebonne Parish's dominant natural hazard, ranked at the 98th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 94th percentile nationally. Additional tracked hazards include tornado (93th percentile), earthquake (55th percentile), wildfire (23th percentile).
Preparedness Context
Hurricane exposure at the 98th percentile nationally makes Terrebonne Parish a county where pre-season preparedness — not storm-day preparation — determines outcomes. Terrebonne Parish evacuation decisions under a watch or warning benefit from prior planning, not routes improvised under time pressure. Flood at the 94th percentile nationally is Terrebonne Parish's secondary hazard, often intensified by the same weather systems that produce hurricane conditions. Terrebonne Parish residents benefit from registering with the county's special-needs evacuation registry if household members have mobility limitations, require electricity-dependent medical equipment, or cannot self-evacuate — registration in advance of storm season is required.
Regional Context
Terrebonne Parish is 31.9 composite risk points above the Louisiana average, indicating that residents face greater natural hazard exposure than most of their in-state neighbors.
Is your household prepared for Terrebonne Parish's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Terrebonne Parish, LA?
What types of natural hazards affect Terrebonne Parish?
How does Terrebonne Parish risk compare to the Louisiana average?
Is Terrebonne Parish at risk for hurricane?
How is natural disaster risk measured?
Why is Terrebonne Parish higher risk than average?
Data Source
Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.
Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.