City vs city
Phoenix vs Sierra Vista Southeast, AZ
Phoenix and Sierra Vista Southeast are tied on overall score, with the biggest factor difference 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
Phoenix: 34/100 · Sierra Vista Southeast: 34/100
No gap.
Flood
Phoenix: 75/100 · Sierra Vista Southeast: 40/100
Phoenix is 35 points higher.
Phoenix: FEMA NFHL flood zones: 3 features intersect this tile.
Sierra Vista Southeast: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Phoenix: 10/100 · Sierra Vista Southeast: 13/100
Sierra Vista Southeast is 3 points higher.
Phoenix: Wind exposure derived from ingested design wind / climatology tiles.
Sierra Vista Southeast: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Phoenix: 17/100 · Sierra Vista Southeast: 47/100
Sierra Vista Southeast is 30 points higher.
Phoenix: Lightning exposure derived from ingested climatology tiles.
Sierra Vista Southeast: Lightning exposure derived from ingested climatology tiles.
Tornado
Phoenix: 12/100 · Sierra Vista Southeast: 0/100
Phoenix is 12 points higher.
Phoenix: Tornado risk derived from NOAA SPC historical reports.
Sierra Vista Southeast: Tornado risk derived from NOAA SPC historical reports.
Hail
Phoenix: 18/100 · Sierra Vista Southeast: 25/100
Sierra Vista Southeast is 7 points higher.
Phoenix: Hail risk derived from NOAA SPC historical reports.
Sierra Vista Southeast: Hail risk derived from NOAA SPC historical reports.
Storm surge
Phoenix: Unavailable · Sierra Vista Southeast: Unavailable
A score difference cannot be calculated without both sources.
Phoenix: Storm surge model is not available for this location yet.
Sierra Vista Southeast: Storm surge model is not available for this location yet.
Wildfire
Phoenix: 87/100 · Sierra Vista Southeast: 57/100
Phoenix is 30 points higher.
Phoenix: Wildfire exposure derived from ingested fire potential tiles.
Sierra Vista Southeast: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Phoenix: 22/100 · Sierra Vista Southeast: 20/100
Phoenix is 2 points higher.
Phoenix: 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 Southeast: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.