City vs city
Herriman vs West Valley City, UT
West Valley City currently scores 6 points higher overall than Herriman, with the largest gap in hail.
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
Herriman: 27/100 · West Valley City: 33/100
West Valley City is 6 points higher.
Flood
Herriman: 28/100 · West Valley City: 45/100
West Valley City is 17 points higher.
Herriman: FEMA NFHL flood zones: 2 features intersect this tile.
West Valley City: FEMA NFHL flood zones: 12 features intersect this tile.
Wind
Herriman: 11/100 · West Valley City: 12/100
West Valley City is 1 points higher.
Herriman: Wind exposure derived from ingested design wind / climatology tiles.
West Valley City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Herriman: 25/100 · West Valley City: 28/100
West Valley City is 3 points higher.
Herriman: Lightning exposure derived from ingested climatology tiles.
West Valley City: Lightning exposure derived from ingested climatology tiles.
Tornado
Herriman: 0/100 · West Valley City: 0/100
No gap.
Herriman: Tornado risk derived from NOAA SPC historical reports.
West Valley City: Tornado risk derived from NOAA SPC historical reports.
Hail
Herriman: 7/100 · West Valley City: 34/100
West Valley City is 27 points higher.
Herriman: Hail risk derived from NOAA SPC historical reports.
West Valley City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Herriman: Unavailable · West Valley City: Unavailable
A score difference cannot be calculated without both sources.
Herriman: Storm surge model is not available for this location yet.
West Valley City: Storm surge model is not available for this location yet.
Wildfire
Herriman: 69/100 · West Valley City: 53/100
Herriman is 16 points higher.
Herriman: Wildfire exposure derived from ingested fire potential tiles.
West Valley City: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Herriman: 23/100 · West Valley City: 28/100
West Valley City is 5 points higher.
Herriman: 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.