City vs city
Herriman vs Logan, UT
Herriman currently scores 6 points higher overall than Logan, with the largest gap in lightning.
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 is a current EPA AirNow signal; 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 · Logan: 21/100
Herriman is 6 points higher.
Flood
Herriman: 28/100 · Logan: 30/100
Logan is 2 points higher.
Herriman: FEMA NFHL flood zones: 2 features intersect this tile.
Logan: FEMA NFHL flood zones: 10 features intersect this tile.
Wind
Herriman: 11/100 · Logan: 12/100
Logan is 1 points higher.
Herriman: Wind exposure derived from ingested design wind / climatology tiles.
Logan: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Herriman: 25/100 · Logan: 10/100
Herriman is 15 points higher.
Herriman: Lightning exposure derived from ingested climatology tiles.
Logan: Lightning exposure derived from ingested climatology tiles.
Tornado
Herriman: 0/100 · Logan: 4/100
Logan is 4 points higher.
Herriman: Tornado risk derived from NOAA SPC historical reports.
Logan: Tornado risk derived from NOAA SPC historical reports.
Hail
Herriman: 7/100 · Logan: 16/100
Logan is 9 points higher.
Herriman: Hail risk derived from NOAA SPC historical reports.
Logan: Hail risk derived from NOAA SPC historical reports.
Storm surge
Herriman: Unavailable · Logan: Unavailable
A score difference cannot be calculated without both sources.
Herriman: Storm surge model is not available for this location yet.
Logan: Storm surge model is not available for this location yet.
Wildfire
Herriman: 69/100 · Logan: 57/100
Herriman is 12 points higher.
Herriman: Wildfire exposure derived from ingested fire potential tiles.
Logan: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Herriman: 23/100 · Logan: 21/100
Herriman is 2 points higher.
Herriman: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Logan: Air quality signal derived from the latest EPA AirNow combined AQI grid.