City vs city
Gilbert vs Sierra Vista, AZ
Gilbert currently scores 3 points higher overall than Sierra Vista, with the largest gap in flood.
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
Gilbert: 36/100 · Sierra Vista: 33/100
Gilbert is 3 points higher.
Flood
Gilbert: 90/100 · Sierra Vista: 35/100
Gilbert is 55 points higher.
Gilbert: FEMA NFHL flood zones: 2 features intersect this tile.
Sierra Vista: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Gilbert: 11/100 · Sierra Vista: 13/100
Sierra Vista is 2 points higher.
Gilbert: Wind exposure derived from ingested design wind / climatology tiles.
Sierra Vista: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Gilbert: 21/100 · Sierra Vista: 45/100
Sierra Vista is 24 points higher.
Gilbert: Lightning exposure derived from ingested climatology tiles.
Sierra Vista: Lightning exposure derived from ingested climatology tiles.
Tornado
Gilbert: 15/100 · Sierra Vista: 0/100
Gilbert is 15 points higher.
Gilbert: Tornado risk derived from NOAA SPC historical reports.
Sierra Vista: Tornado risk derived from NOAA SPC historical reports.
Hail
Gilbert: 7/100 · Sierra Vista: 25/100
Sierra Vista is 18 points higher.
Gilbert: Hail risk derived from NOAA SPC historical reports.
Sierra Vista: Hail risk derived from NOAA SPC historical reports.
Storm surge
Gilbert: Unavailable · Sierra Vista: Unavailable
A score difference cannot be calculated without both sources.
Gilbert: Storm surge model is not available for this location yet.
Sierra Vista: Storm surge model is not available for this location yet.
Wildfire
Gilbert: 82/100 · Sierra Vista: 63/100
Gilbert is 19 points higher.
Gilbert: Wildfire exposure derived from ingested fire potential tiles.
Sierra Vista: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Gilbert: 25/100 · Sierra Vista: 19/100
Gilbert is 6 points higher.
Gilbert: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Sierra Vista: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.