City vs city
Alvin vs Rosharon, TX
Alvin currently scores 4 points higher overall than Rosharon, 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 is a current EPA AirNow signal; 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
Alvin: 47/100 · Rosharon: 43/100
Alvin is 4 points higher.
Flood
Alvin: 46/100 · Rosharon: 52/100
Rosharon is 6 points higher.
Alvin: FEMA NFHL flood zones: 13 features intersect this tile.
Rosharon: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Alvin: 49/100 · Rosharon: 48/100
Alvin is 1 points higher.
Alvin: Wind exposure derived from ingested design wind / climatology tiles.
Rosharon: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Alvin: 57/100 · Rosharon: 59/100
Rosharon is 2 points higher.
Alvin: Lightning exposure derived from ingested climatology tiles.
Rosharon: Lightning exposure derived from ingested climatology tiles.
Tornado
Alvin: 23/100 · Rosharon: 38/100
Rosharon is 15 points higher.
Alvin: Tornado risk derived from NOAA SPC historical reports.
Rosharon: Tornado risk derived from NOAA SPC historical reports.
Hail
Alvin: 41/100 · Rosharon: 25/100
Alvin is 16 points higher.
Alvin: Hail risk derived from NOAA SPC historical reports.
Rosharon: Hail risk derived from NOAA SPC historical reports.
Storm surge
Alvin: 96/100 · Rosharon: Unavailable
A score difference cannot be calculated without both sources.
Alvin: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Rosharon: Storm surge model is not available for this location yet.
Wildfire
Alvin: 34/100 · Rosharon: 47/100
Rosharon is 13 points higher.
Alvin: Wildfire exposure derived from ingested fire potential tiles.
Rosharon: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Alvin: 29/100 · Rosharon: 30/100
Rosharon is 1 points higher.
Alvin: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Rosharon: Air quality signal derived from the latest EPA AirNow combined AQI grid.