City vs city
Royse City vs San Antonio, TX
San Antonio currently scores 2 points higher overall than Royse City, with the largest gap in tornado.
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
Royse City: 46/100 · San Antonio: 48/100
San Antonio is 2 points higher.
Flood
Royse City: 32/100 · San Antonio: 33/100
San Antonio is 1 points higher.
Royse City: FEMA NFHL flood zones: 12 features intersect this tile.
San Antonio: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Royse City: 14/100 · San Antonio: 17/100
San Antonio is 3 points higher.
Royse City: Wind exposure derived from ingested design wind / climatology tiles.
San Antonio: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Royse City: 65/100 · San Antonio: 38/100
Royse City is 27 points higher.
Royse City: Lightning exposure derived from ingested climatology tiles.
San Antonio: Lightning exposure derived from ingested climatology tiles.
Tornado
Royse City: 19/100 · San Antonio: 62/100
San Antonio is 43 points higher.
Royse City: Tornado risk derived from NOAA SPC historical reports.
San Antonio: Tornado risk derived from NOAA SPC historical reports.
Hail
Royse City: 100/100 · San Antonio: 100/100
No gap.
Royse City: Hail risk derived from NOAA SPC historical reports.
San Antonio: Hail risk derived from NOAA SPC historical reports.
Storm surge
Royse City: Unavailable · San Antonio: Unavailable
A score difference cannot be calculated without both sources.
Royse City: Storm surge model is not available for this location yet.
San Antonio: Storm surge model is not available for this location yet.
Wildfire
Royse City: 64/100 · San Antonio: 60/100
Royse City is 4 points higher.
Royse City: Wildfire exposure derived from ingested fire potential tiles.
San Antonio: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Royse City: 28/100 · San Antonio: 28/100
No gap.
Royse City: 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.