City vs city
Altoona vs Ankeny, IA
Ankeny currently scores 5 points higher overall than Altoona, 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
Altoona: 45/100 · Ankeny: 50/100
Ankeny is 5 points higher.
Flood
Altoona: 49/100 · Ankeny: 57/100
Ankeny is 8 points higher.
Altoona: FEMA NFHL flood zones: 4 features intersect this tile.
Ankeny: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Altoona: 18/100 · Ankeny: 18/100
No gap.
Altoona: Wind exposure derived from ingested design wind / climatology tiles.
Ankeny: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Altoona: 59/100 · Ankeny: 58/100
Altoona is 1 points higher.
Altoona: Lightning exposure derived from ingested climatology tiles.
Ankeny: Lightning exposure derived from ingested climatology tiles.
Tornado
Altoona: 19/100 · Ankeny: 62/100
Ankeny is 43 points higher.
Altoona: Tornado risk derived from NOAA SPC historical reports.
Ankeny: Tornado risk derived from NOAA SPC historical reports.
Hail
Altoona: 100/100 · Ankeny: 100/100
No gap.
Altoona: Hail risk derived from NOAA SPC historical reports.
Ankeny: Hail risk derived from NOAA SPC historical reports.
Storm surge
Altoona: Unavailable · Ankeny: Unavailable
A score difference cannot be calculated without both sources.
Altoona: Storm surge model is not available for this location yet.
Ankeny: Storm surge model is not available for this location yet.
Wildfire
Altoona: 36/100 · Ankeny: 28/100
Altoona is 8 points higher.
Altoona: Wildfire exposure derived from ingested fire potential tiles.
Ankeny: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Altoona: 31/100 · Ankeny: 28/100
Altoona is 3 points higher.
Altoona: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Ankeny: Air quality signal derived from the latest EPA AirNow combined AQI grid.