City vs city
Houston vs Round Mountain, TX
Houston currently scores 18 points higher overall than Round Mountain, 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
Houston: 48/100 · Round Mountain: 30/100
Houston is 18 points higher.
Flood
Houston: 40/100 · Round Mountain: 3/100
Houston is 37 points higher.
Houston: FEMA NFHL flood zones: 20 features intersect this tile.
Round Mountain: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Houston: 42/100 · Round Mountain: 14/100
Houston is 28 points higher.
Houston: Wind exposure derived from ingested design wind / climatology tiles.
Round Mountain: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Houston: 71/100 · Round Mountain: 36/100
Houston is 35 points higher.
Houston: Lightning exposure derived from ingested climatology tiles.
Round Mountain: Lightning exposure derived from ingested climatology tiles.
Tornado
Houston: 50/100 · Round Mountain: 8/100
Houston is 42 points higher.
Houston: Tornado risk derived from NOAA SPC historical reports.
Round Mountain: Tornado risk derived from NOAA SPC historical reports.
Hail
Houston: 58/100 · Round Mountain: 72/100
Round Mountain is 14 points higher.
Houston: Hail risk derived from NOAA SPC historical reports.
Round Mountain: Hail risk derived from NOAA SPC historical reports.
Storm surge
Houston: Unavailable · Round Mountain: Unavailable
A score difference cannot be calculated without both sources.
Houston: Storm surge model is not available for this location yet.
Round Mountain: Storm surge model is not available for this location yet.
Wildfire
Houston: 51/100 · Round Mountain: 49/100
Houston is 2 points higher.
Houston: Wildfire exposure derived from ingested fire potential tiles.
Round Mountain: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Houston: 27/100 · Round Mountain: 27/100
No gap.
Houston: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Round Mountain: Air quality signal derived from the latest EPA AirNow combined AQI grid.