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