City vs city
Bellville vs Katy, TX
Bellville and Katy are tied on overall score, with the biggest factor difference 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 uses an ingested EPA AirNow snapshot and may not reflect current conditions; 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
Bellville: 47/100 · Katy: 47/100
No gap.
Flood
Bellville: 33/100 · Katy: 38/100
Katy is 5 points higher.
Bellville: FEMA NFHL flood zones: 5 features intersect this tile.
Katy: FEMA NFHL flood zones: 20 features intersect this tile.
Wind
Bellville: 29/100 · Katy: 36/100
Katy is 7 points higher.
Bellville: Wind exposure derived from ingested design wind / climatology tiles.
Katy: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Bellville: 58/100 · Katy: 71/100
Katy is 13 points higher.
Bellville: Lightning exposure derived from ingested climatology tiles.
Katy: Lightning exposure derived from ingested climatology tiles.
Tornado
Bellville: 31/100 · Katy: 15/100
Bellville is 16 points higher.
Bellville: Tornado risk derived from NOAA SPC historical reports.
Katy: Tornado risk derived from NOAA SPC historical reports.
Hail
Bellville: 100/100 · Katy: 100/100
No gap.
Bellville: Hail risk derived from NOAA SPC historical reports.
Katy: Hail risk derived from NOAA SPC historical reports.
Storm surge
Bellville: Unavailable · Katy: Unavailable
A score difference cannot be calculated without both sources.
Bellville: Storm surge model is not available for this location yet.
Katy: Storm surge model is not available for this location yet.
Wildfire
Bellville: 49/100 · Katy: 43/100
Bellville is 6 points higher.
Bellville: Wildfire exposure derived from ingested fire potential tiles.
Katy: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Bellville: 30/100 · Katy: 28/100
Bellville is 2 points higher.
Bellville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Katy: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.