City vs city
Carter Lake vs Harlan, IA
Carter Lake currently scores 2 points higher overall than Harlan, with the largest gap in flood.
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
Carter Lake: 46/100 · Harlan: 44/100
Carter Lake is 2 points higher.
Flood
Carter Lake: 25/100 · Harlan: 63/100
Harlan is 38 points higher.
Carter Lake: FEMA NFHL flood zones: 5 features intersect this tile.
Harlan: FEMA NFHL flood zones: 10 features intersect this tile.
Wind
Carter Lake: 19/100 · Harlan: 19/100
No gap.
Carter Lake: Wind exposure derived from ingested design wind / climatology tiles.
Harlan: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Carter Lake: 50/100 · Harlan: 56/100
Harlan is 6 points higher.
Carter Lake: Lightning exposure derived from ingested climatology tiles.
Harlan: Lightning exposure derived from ingested climatology tiles.
Tornado
Carter Lake: 54/100 · Harlan: 23/100
Carter Lake is 31 points higher.
Carter Lake: Tornado risk derived from NOAA SPC historical reports.
Harlan: Tornado risk derived from NOAA SPC historical reports.
Hail
Carter Lake: 100/100 · Harlan: 93/100
Carter Lake is 7 points higher.
Carter Lake: Hail risk derived from NOAA SPC historical reports.
Harlan: Hail risk derived from NOAA SPC historical reports.
Storm surge
Carter Lake: Unavailable · Harlan: Unavailable
A score difference cannot be calculated without both sources.
Carter Lake: Storm surge model is not available for this location yet.
Harlan: Storm surge model is not available for this location yet.
Wildfire
Carter Lake: 50/100 · Harlan: 32/100
Carter Lake is 18 points higher.
Carter Lake: Wildfire exposure derived from ingested fire potential tiles.
Harlan: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Carter Lake: 23/100 · Harlan: 19/100
Carter Lake is 4 points higher.
Carter Lake: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Harlan: Air quality signal derived from the latest EPA AirNow combined AQI grid.