Terrebonne Parish, Louisiana: hazard risk
FEMA rates Terrebonne Parish's overall risk Relatively Moderate (score 94.2 of 100, higher than 94% of rated U.S. counties); 4 of its 15 hazards are rated Relatively High or Very High, led by hurricane, coastal flooding, tornado. Its storm record holds 442 events since 1950.
FEMA's rating for each hazard
These are FEMA's county-wide model ratings and this county's storm record. They are not an assessment of any property, address or building, and not insurance advice: a property's risk depends on its own elevation, construction and location.
FEMA gives each hazard its own rating, and a rating does not follow the score from one hazard to the next: a hazard with a higher score can carry a lower rating than another. The table sorts by FEMA's rating, then by score (0 to 100, the county against every other county for that hazard).
| Hazard | Risk rating | Score | Expected annual loss |
|---|---|---|---|
| Hurricane | Very High | 98.4 | $89M |
| Coastal Flooding | Relatively High | 94.0 | $9.1M |
| Tornado | Relatively High | 92.9 | $8.6M |
| Lightning | Relatively High | 91.4 | $1.2M |
| Heat Wave | Relatively Moderate | 93.7 | $4.4M |
| Cold Wave | Relatively Moderate | 89.1 | $5.9M |
| Drought | Relatively Moderate | 83.7 | $1.1M |
| Riverine Flooding | Relatively Moderate | 81.9 | $20M |
| Hail | Relatively Low | 69.6 | $505K |
| Winter Weather | Relatively Low | 56.8 | $76K |
| Strong Wind | Relatively Low | 35.0 | $323K |
| Earthquake | Very Low | 54.8 | $329K |
| Wildfire | Very Low | 23.3 | $9K |
| Landslide | Very Low | 22.8 | $142 |
| Ice Storm | Very Low | 2.8 | $1K |
Source: FEMA National Risk Index, December 2025 release. A model of future loss, not a count of past events. FEMA's National Risk Index map.
What the record holds
| Hazard | Records | Deaths | Damage | Rank in state | Rank in U.S. |
|---|---|---|---|---|---|
| Severe thunderstorm wind | 131 | 0 | $2.3M | 63rd of 64 | 2396th of 3,080 |
| Hurricanes and tropical storms | 70 | 1 | $1.4B | 19th of 64 | 254th of 1,849 |
| Tornadoes | 45 | 0 | $27M | 60th of 64 | 1453rd of 3,080 |
| Heat | 44 | 1 | – | 39th of 64 | 1015th of 3,076 |
| Floods | 39 | 0 | $2.7M | 61st of 64 | 2205th of 3,080 |
| Hail | 34 | 0 | – | 64th of 64 | 2714th of 3,080 |
| Drought | 24 | 0 | $7.8M | 53rd of 64 | 2047th of 3,063 |
| Lightning | 17 | 2 | $1.5M | 17th of 64 | 544th of 3,080 |
| Winter storms | 9 | 0 | – | 64th of 64 | 2972nd of 3,077 |
| Extreme cold | 8 | 0 | $135K | 42nd of 64 | 2400th of 3,076 |
| High wind and dust storms | 5 | 0 | $12K | 37th of 64 | 2791st of 3,080 |
| Heavy rain | 4 | 0 | – | 26th of 64 | 1789th of 3,080 |
Source: NOAA NCEI Storm Events Database, 1950 to 2026-06-30; damage in 2025 dollars. Search the record at NCEI.
The full Terrebonne Parish record: every hazard by year and month, the deadliest events and FEMA's declarations.