City vs city
Brownsville vs Port Isabel, TX
Brownsville currently scores 3 points higher overall than Port Isabel, with the largest gap in hail.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Scores describe each city’s reference grid tile, not every property. A missing model is unavailable, not zero risk. Air quality uses an ingested EPA AirNow snapshot and may not reflect current conditions; other factors describe baseline exposure. The overall score blends different hazards and is not a probability of damage. Read the scoring methodology and sources.
Overall
Brownsville: 51/100 · Port Isabel: 48/100
Brownsville is 3 points higher.
Flood
Brownsville: 46/100 · Port Isabel: 100/100
Port Isabel is 54 points higher.
Brownsville: FEMA NFHL flood zones: 16 features intersect this tile.
Port Isabel: FEMA NFHL flood zones: 28 features intersect this tile.
Wind
Brownsville: 49/100 · Port Isabel: 53/100
Port Isabel is 4 points higher.
Brownsville: Wind exposure derived from ingested design wind / climatology tiles.
Port Isabel: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Brownsville: 28/100 · Port Isabel: 27/100
Brownsville is 1 points higher.
Brownsville: Lightning exposure derived from ingested climatology tiles.
Port Isabel: Lightning exposure derived from ingested climatology tiles.
Tornado
Brownsville: 27/100 · Port Isabel: 31/100
Port Isabel is 4 points higher.
Brownsville: Tornado risk derived from NOAA SPC historical reports.
Port Isabel: Tornado risk derived from NOAA SPC historical reports.
Hail
Brownsville: 100/100 · Port Isabel: 1/100
Brownsville is 99 points higher.
Brownsville: Hail risk derived from NOAA SPC historical reports.
Port Isabel: Hail risk derived from NOAA SPC historical reports.
Storm surge
Brownsville: 72/100 · Port Isabel: 95/100
Port Isabel is 23 points higher.
Brownsville: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Port Isabel: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Brownsville: 58/100 · Port Isabel: 47/100
Brownsville is 11 points higher.
Brownsville: Wildfire exposure derived from ingested fire potential tiles.
Port Isabel: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Brownsville: 27/100 · Port Isabel: 28/100
Port Isabel is 1 points higher.
Brownsville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Port Isabel: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.