City vs city
Porter Heights vs San Antonio, TX
San Antonio currently scores 5 points higher overall than Porter Heights, 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
Porter Heights: 43/100 · San Antonio: 48/100
San Antonio is 5 points higher.
Flood
Porter Heights: 52/100 · San Antonio: 33/100
Porter Heights is 19 points higher.
Porter Heights: FEMA NFHL flood zones: 18 features intersect this tile.
San Antonio: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Porter Heights: 34/100 · San Antonio: 17/100
Porter Heights is 17 points higher.
Porter Heights: Wind exposure derived from ingested design wind / climatology tiles.
San Antonio: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Porter Heights: 80/100 · San Antonio: 38/100
Porter Heights is 42 points higher.
Porter Heights: Lightning exposure derived from ingested climatology tiles.
San Antonio: Lightning exposure derived from ingested climatology tiles.
Tornado
Porter Heights: 31/100 · San Antonio: 62/100
San Antonio is 31 points higher.
Porter Heights: Tornado risk derived from NOAA SPC historical reports.
San Antonio: Tornado risk derived from NOAA SPC historical reports.
Hail
Porter Heights: 23/100 · San Antonio: 100/100
San Antonio is 77 points higher.
Porter Heights: Hail risk derived from NOAA SPC historical reports.
San Antonio: Hail risk derived from NOAA SPC historical reports.
Storm surge
Porter Heights: Unavailable · San Antonio: Unavailable
A score difference cannot be calculated without both sources.
Porter Heights: Storm surge model is not available for this location yet.
San Antonio: Storm surge model is not available for this location yet.
Wildfire
Porter Heights: 49/100 · San Antonio: 60/100
San Antonio is 11 points higher.
Porter Heights: Wildfire exposure derived from ingested fire potential tiles.
San Antonio: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Porter Heights: 30/100 · San Antonio: 28/100
Porter Heights is 2 points higher.
Porter Heights: Air quality signal derived from the latest EPA AirNow combined AQI grid.
San Antonio: Air quality signal derived from the latest EPA AirNow combined AQI grid.