City vs city
Charles City vs Shell Rock, IA
Charles City and Shell Rock are tied on overall score, with the biggest factor difference 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 · Shell Rock: 37/100
No gap.
Flood
Charles City: 68/100 · Shell Rock: 71/100
Shell Rock is 3 points higher.
Charles City: FEMA NFHL flood zones: 12 features intersect this tile.
Shell Rock: FEMA NFHL flood zones: 9 features intersect this tile.
Wind
Charles City: 17/100 · Shell Rock: 17/100
No gap.
Charles City: Wind exposure derived from ingested design wind / climatology tiles.
Shell Rock: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Charles City: 19/100 · Shell Rock: 23/100
Shell Rock is 4 points higher.
Charles City: Lightning exposure derived from ingested climatology tiles.
Shell Rock: Lightning exposure derived from ingested climatology tiles.
Tornado
Charles City: 4/100 · Shell Rock: 0/100
Charles City is 4 points higher.
Charles City: Tornado risk derived from NOAA SPC historical reports.
Shell Rock: Tornado risk derived from NOAA SPC historical reports.
Hail
Charles City: 100/100 · Shell Rock: 56/100
Charles City is 44 points higher.
Charles City: Hail risk derived from NOAA SPC historical reports.
Shell Rock: Hail risk derived from NOAA SPC historical reports.
Storm surge
Charles City: Unavailable · Shell Rock: Unavailable
A score difference cannot be calculated without both sources.
Charles City: Storm surge model is not available for this location yet.
Shell Rock: Storm surge model is not available for this location yet.
Wildfire
Charles City: 27/100 · Shell Rock: 35/100
Shell Rock is 8 points higher.
Charles City: Wildfire exposure derived from ingested fire potential tiles.
Shell Rock: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Charles City: 21/100 · Shell Rock: 21/100
No gap.
Charles City: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Shell Rock: Air quality signal derived from the latest EPA AirNow combined AQI grid.