City vs city
Rockwall vs Royse City, TX
Rockwall currently scores 4 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
Rockwall: 50/100 · Royse City: 46/100
Rockwall is 4 points higher.
Flood
Rockwall: 46/100 · Royse City: 32/100
Rockwall is 14 points higher.
Rockwall: FEMA NFHL flood zones: 9 features intersect this tile.
Royse City: FEMA NFHL flood zones: 12 features intersect this tile.
Wind
Rockwall: 14/100 · Royse City: 14/100
No gap.
Rockwall: Wind exposure derived from ingested design wind / climatology tiles.
Royse City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Rockwall: 64/100 · Royse City: 65/100
Royse City is 1 points higher.
Rockwall: Lightning exposure derived from ingested climatology tiles.
Royse City: Lightning exposure derived from ingested climatology tiles.
Tornado
Rockwall: 46/100 · Royse City: 19/100
Rockwall is 27 points higher.
Rockwall: Tornado risk derived from NOAA SPC historical reports.
Royse City: Tornado risk derived from NOAA SPC historical reports.
Hail
Rockwall: 100/100 · Royse City: 100/100
No gap.
Rockwall: Hail risk derived from NOAA SPC historical reports.
Royse City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Rockwall: Unavailable · Royse City: Unavailable
A score difference cannot be calculated without both sources.
Rockwall: Storm surge model is not available for this location yet.
Royse City: Storm surge model is not available for this location yet.
Wildfire
Rockwall: 55/100 · Royse City: 64/100
Royse City is 9 points higher.
Rockwall: Wildfire exposure derived from ingested fire potential tiles.
Royse City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Rockwall: 28/100 · Royse City: 28/100
No gap.
Rockwall: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Royse City: Air quality signal derived from the latest EPA AirNow combined AQI grid.