City vs city
Derby vs Fort Collins, CO
Derby and Fort Collins are tied on overall score, with the biggest factor difference in lightning.
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
Derby: 48/100 · Fort Collins: 48/100
No gap.
Flood
Derby: 54/100 · Fort Collins: 53/100
Derby is 1 points higher.
Derby: FEMA NFHL flood zones: 13 features intersect this tile.
Fort Collins: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Derby: 15/100 · Fort Collins: 16/100
Fort Collins is 1 points higher.
Derby: Wind exposure derived from ingested design wind / climatology tiles.
Fort Collins: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Derby: 32/100 · Fort Collins: 23/100
Derby is 9 points higher.
Derby: Lightning exposure derived from ingested climatology tiles.
Fort Collins: Lightning exposure derived from ingested climatology tiles.
Tornado
Derby: 27/100 · Fort Collins: 35/100
Fort Collins is 8 points higher.
Derby: Tornado risk derived from NOAA SPC historical reports.
Fort Collins: Tornado risk derived from NOAA SPC historical reports.
Hail
Derby: 100/100 · Fort Collins: 100/100
No gap.
Derby: Hail risk derived from NOAA SPC historical reports.
Fort Collins: Hail risk derived from NOAA SPC historical reports.
Storm surge
Derby: Unavailable · Fort Collins: Unavailable
A score difference cannot be calculated without both sources.
Derby: Storm surge model is not available for this location yet.
Fort Collins: Storm surge model is not available for this location yet.
Wildfire
Derby: 75/100 · Fort Collins: 68/100
Derby is 7 points higher.
Derby: Wildfire exposure derived from ingested fire potential tiles.
Fort Collins: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Derby: 31/100 · Fort Collins: 39/100
Fort Collins is 8 points higher.
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.
Fort Collins: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.