City vs city
Charles City vs Nashua, IA
Charles City currently scores 1 points higher overall than Nashua, 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
Charles City: 37/100 · Nashua: 36/100
Charles City is 1 points higher.
Flood
Charles City: 68/100 · Nashua: 71/100
Nashua is 3 points higher.
Charles City: FEMA NFHL flood zones: 12 features intersect this tile.
Nashua: FEMA NFHL flood zones: 12 features intersect this tile.
Wind
Charles City: 17/100 · Nashua: 17/100
No gap.
Charles City: Wind exposure derived from ingested design wind / climatology tiles.
Nashua: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Charles City: 19/100 · Nashua: 20/100
Nashua is 1 points higher.
Charles City: Lightning exposure derived from ingested climatology tiles.
Nashua: Lightning exposure derived from ingested climatology tiles.
Tornado
Charles City: 4/100 · Nashua: 19/100
Nashua is 15 points higher.
Charles City: Tornado risk derived from NOAA SPC historical reports.
Nashua: Tornado risk derived from NOAA SPC historical reports.
Hail
Charles City: 100/100 · Nashua: 67/100
Charles City is 33 points higher.
Charles City: Hail risk derived from NOAA SPC historical reports.
Nashua: Hail risk derived from NOAA SPC historical reports.
Storm surge
Charles City: Unavailable · Nashua: Unavailable
A score difference cannot be calculated without both sources.
Charles City: Storm surge model is not available for this location yet.
Nashua: Storm surge model is not available for this location yet.
Wildfire
Charles City: 27/100 · Nashua: 35/100
Nashua is 8 points higher.
Charles City: Wildfire exposure derived from ingested fire potential tiles.
Nashua: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Charles City: 21/100 · Nashua: 21/100
No gap.
Charles City: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Nashua: Air quality signal derived from the latest EPA AirNow combined AQI grid.