City vs city
Roy vs West Valley City, UT
West Valley City currently scores 7 points higher overall than Roy, 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
Roy: 26/100 · West Valley City: 33/100
West Valley City is 7 points higher.
Flood
Roy: 28/100 · West Valley City: 45/100
West Valley City is 17 points higher.
Roy: FEMA NFHL flood zones: 4 features intersect this tile.
West Valley City: FEMA NFHL flood zones: 12 features intersect this tile.
Wind
Roy: 12/100 · West Valley City: 12/100
No gap.
Roy: Wind exposure derived from ingested design wind / climatology tiles.
West Valley City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Roy: 17/100 · West Valley City: 28/100
West Valley City is 11 points higher.
Roy: Lightning exposure derived from ingested climatology tiles.
West Valley City: Lightning exposure derived from ingested climatology tiles.
Tornado
Roy: 15/100 · West Valley City: 0/100
Roy is 15 points higher.
Roy: Tornado risk derived from NOAA SPC historical reports.
West Valley City: Tornado risk derived from NOAA SPC historical reports.
Hail
Roy: 26/100 · West Valley City: 34/100
West Valley City is 8 points higher.
Roy: Hail risk derived from NOAA SPC historical reports.
West Valley City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Roy: Unavailable · West Valley City: Unavailable
A score difference cannot be calculated without both sources.
Roy: Storm surge model is not available for this location yet.
West Valley City: Storm surge model is not available for this location yet.
Wildfire
Roy: 54/100 · West Valley City: 53/100
Roy is 1 points higher.
Roy: Wildfire exposure derived from ingested fire potential tiles.
West Valley City: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Roy: 27/100 · West Valley City: 28/100
West Valley City is 1 points higher.
Roy: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
West Valley City: 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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