What is the flood risk in 77550 Galveston?

The flood hazard score for 77550 is 6.0/10 (MODERATE). This score is derived from FEMA flood zones, elevation data, and NFIP claim density.

Is 77550 in a hurricane zone?

Yes, Galveston (77550) is in a hurricane-prone area. The hurricane hazard score is 5.4/10.

What natural disasters affect Galveston, Texas?

The primary natural hazards for Galveston (77550) are hurricane, flood, severe weather, wildfire. CivilSense provides climate-adjusted hazard scores for each peril using data from USGS, NOAA, and FEMA.

Galveston, Texas 77550

Galveston County · Texas

29.3013° N, 94.7977° W

Climate-Adjusted Hazard Scores

≋Flood

6.0/10MODERATE

FEMA flood zone (estimated)2.5 / 4.0

Elevation above base flood level1.0 / 3.0

Regional NFIP historical loss density2.5 / 3.0

Model v1.0 · Hazard score

◎Hurricane

5.4/10MODERATE

CAT3+ historical track frequency (9yr return)3.1 / 3.5

Distance to coastline1.8 / 3.0

Storm surge exposure (elevation + coastal proximity)0.5 / 3.5

Model v1.0 · Hazard score

⊕Earthquake

3.7/10LOW

Seismic source zone activity (Gutenberg-Richter)0.5 / 3.5

Proximity to mapped Quaternary faults0.3 / 3.0

Historical damage potential (Hazus W1 thresholds)2.9 / 3.5

Model v1.0 · Hazard score

◉Hail

3.0/10LOW

Significant hail (≥2in) annual frequency0.5 / 5.0

Regional roof vulnerability proxy (pre-ATTOM)2.5 / 5.0

Model v1.0 · Hazard score

◠Tornado

2.6/10LOW

EF2+ tornado annual frequency0.3 / 5.0

Manufactured housing density proxy2.0 / 3.0

Nocturnal tornado fraction (fatality multiplier)0.3 / 2.0

Model v1.0 · Hazard score

△Wildfire

1.3/10LOW

Climate-adjusted large fire frequency0.3 / 3.5

Wildland-Urban Interface exposure0.5 / 3.5

Regional vegetation/fuel load proxy0.5 / 3.0

Model v1.0 · Hazard score

Natural Hazards in Galveston

Based on historical data and geographic analysis, the primary natural hazards affecting Galveston, Texas (77550) are hurricane, flood, severe weather and wildfire. These scores are derived from federal and academic sources.

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