City vs city
Four Square Mile vs Holly Hills, CO
Holly Hills currently scores 9 points higher overall than Four Square Mile, with the largest gap in wildfire.
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
Four Square Mile: 35/100 · Holly Hills: 44/100
Holly Hills is 9 points higher.
Flood
Four Square Mile: 36/100 · Holly Hills: 45/100
Holly Hills is 9 points higher.
Four Square Mile: FEMA NFHL flood zones: 10 features intersect this tile.
Holly Hills: FEMA NFHL flood zones: 14 features intersect this tile.
Wind
Four Square Mile: 15/100 · Holly Hills: 15/100
No gap.
Four Square Mile: Wind exposure derived from ingested design wind / climatology tiles.
Holly Hills: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Four Square Mile: 36/100 · Holly Hills: 36/100
No gap.
Four Square Mile: Lightning exposure derived from ingested climatology tiles.
Holly Hills: Lightning exposure derived from ingested climatology tiles.
Tornado
Four Square Mile: 4/100 · Holly Hills: 12/100
Holly Hills is 8 points higher.
Four Square Mile: Tornado risk derived from NOAA SPC historical reports.
Holly Hills: Tornado risk derived from NOAA SPC historical reports.
Hail
Four Square Mile: 100/100 · Holly Hills: 100/100
No gap.
Four Square Mile: Hail risk derived from NOAA SPC historical reports.
Holly Hills: Hail risk derived from NOAA SPC historical reports.
Storm surge
Four Square Mile: Unavailable · Holly Hills: Unavailable
A score difference cannot be calculated without both sources.
Four Square Mile: Storm surge model is not available for this location yet.
Holly Hills: Storm surge model is not available for this location yet.
Wildfire
Four Square Mile: 24/100 · Holly Hills: 71/100
Holly Hills is 47 points higher.
Four Square Mile: Wildfire exposure derived from ingested fire potential tiles.
Holly Hills: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Four Square Mile: 29/100 · Holly Hills: 29/100
No gap.
Four Square Mile: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Holly Hills: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.