Natural Disaster Risk — ZIP Code 77640

Natural Hazard Profile: ZIP 77640, Texas

ZIP 77640 covers part of the Port Arthur area, along the Gulf Coast. The surrounding region experiences an exceptionally varied climate from humid subtropical in the east to desert in the west, with overlapping tornado, hurricane, flood, and drought seasons shaping the natural hazards that residents of this ZIP code face. Risk scores here are derived from FEMA data for the encompassing county.

FEMA rates ZIP 77640's composite natural disaster risk at 7.9 out of 10 — high risk. High lightning activity is the primary natural hazard concern, driven by frequent severe thunderstorm development that produces dense ground strike patterns across the area. Residents should also account for hurricane and tornado risk in their preparedness planning.

ZIP 77640's risk score, considerably above the 5.6/10 state average and well above the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA, the highest-scoring are lightning, hurricane, and tornado. These scores reflect county-level data and represent the baseline risk that all communities in the county share.

With a high natural disaster risk rating, ZIP 77640 residents benefit from taking preparedness seriously. Reviewing insurance coverage for lightning and secondary hazards, registering for emergency alerts, and maintaining a household emergency kit are practical steps that can significantly reduce impact during a major event.