City vs city
Katy vs Tomball, TX
Katy currently scores 5 points higher overall than Tomball, 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
Katy: 47/100 · Tomball: 42/100
Katy is 5 points higher.
Flood
Katy: 38/100 · Tomball: 36/100
Katy is 2 points higher.
Katy: FEMA NFHL flood zones: 20 features intersect this tile.
Tomball: FEMA NFHL flood zones: 16 features intersect this tile.
Wind
Katy: 36/100 · Tomball: 34/100
Katy is 2 points higher.
Katy: Wind exposure derived from ingested design wind / climatology tiles.
Tomball: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Katy: 71/100 · Tomball: 76/100
Tomball is 5 points higher.
Katy: Lightning exposure derived from ingested climatology tiles.
Tomball: Lightning exposure derived from ingested climatology tiles.
Tornado
Katy: 15/100 · Tomball: 23/100
Tomball is 8 points higher.
Katy: Tornado risk derived from NOAA SPC historical reports.
Tomball: Tornado risk derived from NOAA SPC historical reports.
Hail
Katy: 100/100 · Tomball: 42/100
Katy is 58 points higher.
Katy: Hail risk derived from NOAA SPC historical reports.
Tomball: Hail risk derived from NOAA SPC historical reports.
Storm surge
Katy: Unavailable · Tomball: Unavailable
A score difference cannot be calculated without both sources.
Katy: Storm surge model is not available for this location yet.
Tomball: Storm surge model is not available for this location yet.
Wildfire
Katy: 43/100 · Tomball: 50/100
Tomball is 7 points higher.
Katy: Wildfire exposure derived from ingested fire potential tiles.
Tomball: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Katy: 28/100 · Tomball: 30/100
Tomball is 2 points higher.
Katy: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Tomball: Air quality signal derived from the latest EPA AirNow combined AQI grid.
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