City vs city
Logan vs Riverdale, UT
Riverdale currently scores 5 points higher overall than Logan, with the largest gap in tornado.
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
Logan: 21/100 · Riverdale: 26/100
Riverdale is 5 points higher.
Flood
Logan: 30/100 · Riverdale: 28/100
Logan is 2 points higher.
Logan: FEMA NFHL flood zones: 10 features intersect this tile.
Riverdale: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Logan: 12/100 · Riverdale: 12/100
No gap.
Logan: Wind exposure derived from ingested design wind / climatology tiles.
Riverdale: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Logan: 10/100 · Riverdale: 17/100
Riverdale is 7 points higher.
Logan: Lightning exposure derived from ingested climatology tiles.
Riverdale: Lightning exposure derived from ingested climatology tiles.
Tornado
Logan: 4/100 · Riverdale: 15/100
Riverdale is 11 points higher.
Logan: Tornado risk derived from NOAA SPC historical reports.
Riverdale: Tornado risk derived from NOAA SPC historical reports.
Hail
Logan: 16/100 · Riverdale: 26/100
Riverdale is 10 points higher.
Logan: Hail risk derived from NOAA SPC historical reports.
Riverdale: Hail risk derived from NOAA SPC historical reports.
Storm surge
Logan: Unavailable · Riverdale: Unavailable
A score difference cannot be calculated without both sources.
Logan: Storm surge model is not available for this location yet.
Riverdale: Storm surge model is not available for this location yet.
Wildfire
Logan: 57/100 · Riverdale: 54/100
Logan is 3 points higher.
Logan: Wildfire exposure derived from ingested fire potential tiles.
Riverdale: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Logan: 21/100 · Riverdale: 27/100
Riverdale is 6 points higher.
Logan: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Riverdale: Air quality signal derived from the latest EPA AirNow combined AQI grid.