Port Lavaca, TX
Local storm history & FEMA National Risk Index data
Port Lavaca is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Calhoun County, TX. The county's highest-rated hazards are hurricane, drought, and cold wave.
Storm events near Port Lavaca
NOAA-recorded tornado, hail, and flood events within 25 miles of Port Lavaca's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Port Lavaca itself, not the whole county.
County-wide hazard risk
Every other hazard FEMA and NOAA track — including drought — is only scored at the county level. These are Calhoun County's FEMA National Risk Index scores, covering Port Lavaca along with the rest of the county, not a Port Lavaca-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 58.1 | Very Low |
| Inland Flooding | 39.1 | Relatively Low |
| Coastal Flooding | 53.8 | Relatively Low |
| Earthquake | 12.7 | Very Low |
| Heat Wave | 52.7 | Relatively Low |
| Tornado | 46.1 | Relatively Low |
| Avalanche | — | Not Applicable |
| Cold Wave | 79 | Relatively Moderate |
| Drought | 90.9 | Relatively High |
| Hail | 19.8 | Very Low |
| Hurricane | 92.8 | Relatively Moderate |
| Ice Storm | 32.6 | Relatively Low |
| Landslide | 10.2 | Very Low |
| Lightning | 77.5 | Relatively Moderate |
| Strong Wind | 12.2 | Very Low |
| Tsunami | — | Insufficient Data |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 15.1 | Very Low |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Calhoun County risk profile for disaster declarations, social vulnerability, and climate projection data.
More on Calhoun County:
Frequently asked questions
What natural hazards is Port Lavaca, TX at risk of?
Port Lavaca is rated Relatively Low for overall natural hazard risk by FEMA's National Risk Index — lower risk than most US counties. The highest-rated hazards for Calhoun County, where Port Lavaca is located, are hurricane, drought, and cold wave.
What is Port Lavaca's biggest natural hazard risk?
Hurricane is the highest-rated hazard for Calhoun County, where Port Lavaca is located, scoring 92.8 out of 100 on FEMA's National Risk Index (rated "Relatively Moderate").
Is Port Lavaca a high-risk area for natural disasters?
No — Port Lavaca carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Calhoun County.
Has Port Lavaca had tornadoes, hail, or flooding?
NOAA has recorded 3 tornado, 4 hail, 16 inland flooding events within 25 miles of Port Lavaca since 2016.