City vs city
Sac City vs Storm Lake, IA
Storm Lake currently scores 6 points higher overall than Sac City, 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
Sac City: 33/100 · Storm Lake: 39/100
Storm Lake is 6 points higher.
Flood
Sac City: 50/100 · Storm Lake: 59/100
Storm Lake is 9 points higher.
Sac City: FEMA NFHL flood zones: 5 features intersect this tile.
Storm Lake: FEMA NFHL flood zones: 7 features intersect this tile.
Wind
Sac City: 19/100 · Storm Lake: 19/100
No gap.
Sac City: Wind exposure derived from ingested design wind / climatology tiles.
Storm Lake: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Sac City: 58/100 · Storm Lake: 55/100
Sac City is 3 points higher.
Sac City: Lightning exposure derived from ingested climatology tiles.
Storm Lake: Lightning exposure derived from ingested climatology tiles.
Tornado
Sac City: 8/100 · Storm Lake: 31/100
Storm Lake is 23 points higher.
Sac City: Tornado risk derived from NOAA SPC historical reports.
Storm Lake: Tornado risk derived from NOAA SPC historical reports.
Hail
Sac City: 50/100 · Storm Lake: 67/100
Storm Lake is 17 points higher.
Sac City: Hail risk derived from NOAA SPC historical reports.
Storm Lake: Hail risk derived from NOAA SPC historical reports.
Storm surge
Sac City: Unavailable · Storm Lake: Unavailable
A score difference cannot be calculated without both sources.
Sac City: Storm surge model is not available for this location yet.
Storm Lake: Storm surge model is not available for this location yet.
Wildfire
Sac City: 23/100 · Storm Lake: 24/100
Storm Lake is 1 points higher.
Sac City: Wildfire exposure derived from ingested fire potential tiles.
Storm Lake: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Sac City: 22/100 · Storm Lake: 19/100
Sac City is 3 points higher.
Sac City: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Storm Lake: Air quality signal derived from the latest EPA AirNow combined AQI grid.