City vs city
Charles City vs Elma, IA
Charles City currently scores 1 points higher overall than Elma, 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 uses an ingested EPA AirNow snapshot and may not reflect current conditions; 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 · Elma: 36/100
Charles City is 1 points higher.
Flood
Charles City: 68/100 · Elma: 55/100
Charles City is 13 points higher.
Charles City: FEMA NFHL flood zones: 12 features intersect this tile.
Elma: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Charles City: 17/100 · Elma: 17/100
No gap.
Charles City: Wind exposure derived from ingested design wind / climatology tiles.
Elma: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Charles City: 19/100 · Elma: 18/100
Charles City is 1 points higher.
Charles City: Lightning exposure derived from ingested climatology tiles.
Elma: Lightning exposure derived from ingested climatology tiles.
Tornado
Charles City: 4/100 · Elma: 77/100
Elma is 73 points higher.
Charles City: Tornado risk derived from NOAA SPC historical reports.
Elma: Tornado risk derived from NOAA SPC historical reports.
Hail
Charles City: 100/100 · Elma: 45/100
Charles City is 55 points higher.
Charles City: Hail risk derived from NOAA SPC historical reports.
Elma: Hail risk derived from NOAA SPC historical reports.
Storm surge
Charles City: Unavailable · Elma: Unavailable
A score difference cannot be calculated without both sources.
Charles City: Storm surge model is not available for this location yet.
Elma: Storm surge model is not available for this location yet.
Wildfire
Charles City: 27/100 · Elma: 20/100
Charles City is 7 points higher.
Charles City: Wildfire exposure derived from ingested fire potential tiles.
Elma: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Charles City: 21/100 · Elma: 18/100
Charles City is 3 points higher.
Charles City: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Elma: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.