City vs city
Avon vs Cos Cob, CT
Cos Cob currently scores 1 points higher overall than Avon, 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
Avon: 36/100 · Cos Cob: 37/100
Cos Cob is 1 points higher.
Flood
Avon: 67/100 · Cos Cob: 0/100
Avon is 67 points higher.
Avon: FEMA NFHL flood zones: 6 features intersect this tile.
Cos Cob: FEMA NFHL flood zones: 0 features intersect this tile.
Wind
Avon: 23/100 · Cos Cob: 25/100
Cos Cob is 2 points higher.
Avon: Wind exposure derived from ingested design wind / climatology tiles.
Cos Cob: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Avon: 12/100 · Cos Cob: 18/100
Cos Cob is 6 points higher.
Avon: Lightning exposure derived from ingested climatology tiles.
Cos Cob: Lightning exposure derived from ingested climatology tiles.
Tornado
Avon: 0/100 · Cos Cob: 0/100
No gap.
Avon: Tornado risk derived from NOAA SPC historical reports.
Cos Cob: Tornado risk derived from NOAA SPC historical reports.
Hail
Avon: 21/100 · Cos Cob: 10/100
Avon is 11 points higher.
Avon: Hail risk derived from NOAA SPC historical reports.
Cos Cob: Hail risk derived from NOAA SPC historical reports.
Storm surge
Avon: Unavailable · Cos Cob: 99/100
A score difference cannot be calculated without both sources.
Avon: Storm surge model is not available for this location yet.
Cos Cob: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Avon: 64/100 · Cos Cob: 64/100
No gap.
Avon: Wildfire exposure derived from ingested fire potential tiles.
Cos Cob: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Avon: 28/100 · Cos Cob: 42/100
Cos Cob is 14 points higher.
Avon: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Cos Cob: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
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