City vs city
Cromwell vs Derby, CT
Cromwell currently scores 2 points higher overall than Derby, 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 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
Cromwell: 38/100 · Derby: 36/100
Cromwell is 2 points higher.
Flood
Cromwell: 90/100 · Derby: 55/100
Cromwell is 35 points higher.
Cromwell: FEMA NFHL flood zones: 14 features intersect this tile.
Derby: FEMA NFHL flood zones: 11 features intersect this tile.
Wind
Cromwell: 26/100 · Derby: 26/100
No gap.
Cromwell: Wind exposure derived from ingested design wind / climatology tiles.
Derby: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Cromwell: 13/100 · Derby: 14/100
Derby is 1 points higher.
Cromwell: Lightning exposure derived from ingested climatology tiles.
Derby: Lightning exposure derived from ingested climatology tiles.
Tornado
Cromwell: 0/100 · Derby: 0/100
No gap.
Cromwell: Tornado risk derived from NOAA SPC historical reports.
Derby: Tornado risk derived from NOAA SPC historical reports.
Hail
Cromwell: 9/100 · Derby: 19/100
Derby is 10 points higher.
Cromwell: Hail risk derived from NOAA SPC historical reports.
Derby: Hail risk derived from NOAA SPC historical reports.
Storm surge
Cromwell: Unavailable · Derby: Unavailable
A score difference cannot be calculated without both sources.
Cromwell: Storm surge model is not available for this location yet.
Derby: Storm surge model is not available for this location yet.
Wildfire
Cromwell: 62/100 · Derby: 61/100
Cromwell is 1 points higher.
Cromwell: Wildfire exposure derived from ingested fire potential tiles.
Derby: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Cromwell: 28/100 · Derby: 43/100
Derby is 15 points higher.
Cromwell: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Derby: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.