City vs city
Katy vs San Antonio, TX
Katy currently scores 2 points higher overall than San Antonio, with the largest gap in lightning.
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
Katy: 47/100 · San Antonio: 45/100
Katy is 2 points higher.
Flood
Katy: 38/100 · San Antonio: 31/100
Katy is 7 points higher.
Katy: FEMA NFHL flood zones: 20 features intersect this tile.
San Antonio: FEMA NFHL flood zones: 14 features intersect this tile.
Wind
Katy: 36/100 · San Antonio: 16/100
Katy is 20 points higher.
Katy: Wind exposure derived from ingested design wind / climatology tiles.
San Antonio: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Katy: 71/100 · San Antonio: 44/100
Katy is 27 points higher.
Katy: Lightning exposure derived from ingested climatology tiles.
San Antonio: Lightning exposure derived from ingested climatology tiles.
Tornado
Katy: 15/100 · San Antonio: 42/100
San Antonio is 27 points higher.
Katy: Tornado risk derived from NOAA SPC historical reports.
San Antonio: Tornado risk derived from NOAA SPC historical reports.
Hail
Katy: 100/100 · San Antonio: 100/100
No gap.
Katy: Hail risk derived from NOAA SPC historical reports.
San Antonio: Hail risk derived from NOAA SPC historical reports.
Storm surge
Katy: Unavailable · San Antonio: Unavailable
A score difference cannot be calculated without both sources.
Katy: Storm surge model is not available for this location yet.
San Antonio: Storm surge model is not available for this location yet.
Wildfire
Katy: 43/100 · San Antonio: 54/100
San Antonio is 11 points higher.
Katy: Wildfire exposure derived from ingested fire potential tiles.
San Antonio: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Katy: 28/100 · San Antonio: 26/100
Katy is 2 points higher.
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.
San Antonio: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
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