City vs city
Alta vs Sac City, IA
Sac City currently scores 1 points higher overall than Alta, 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 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
Alta: 32/100 · Sac City: 33/100
Sac City is 1 points higher.
Flood
Alta: 43/100 · Sac City: 50/100
Sac City is 7 points higher.
Alta: FEMA NFHL flood zones: 4 features intersect this tile.
Sac City: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Alta: 19/100 · Sac City: 19/100
No gap.
Alta: Wind exposure derived from ingested design wind / climatology tiles.
Sac City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Alta: 56/100 · Sac City: 58/100
Sac City is 2 points higher.
Alta: Lightning exposure derived from ingested climatology tiles.
Sac City: Lightning exposure derived from ingested climatology tiles.
Tornado
Alta: 23/100 · Sac City: 8/100
Alta is 15 points higher.
Alta: Tornado risk derived from NOAA SPC historical reports.
Sac City: Tornado risk derived from NOAA SPC historical reports.
Hail
Alta: 26/100 · Sac City: 50/100
Sac City is 24 points higher.
Alta: Hail risk derived from NOAA SPC historical reports.
Sac City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Alta: Unavailable · Sac City: Unavailable
A score difference cannot be calculated without both sources.
Alta: Storm surge model is not available for this location yet.
Sac City: Storm surge model is not available for this location yet.
Wildfire
Alta: 36/100 · Sac City: 23/100
Alta is 13 points higher.
Alta: Wildfire exposure derived from ingested fire potential tiles.
Sac City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Alta: 20/100 · Sac City: 22/100
Sac City is 2 points higher.
Alta: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Sac City: Air quality signal derived from the latest EPA AirNow combined AQI grid.