City vs city
Gales Ferry vs Groton, CT
Gales Ferry and Groton are tied on overall score, with the biggest factor difference 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
Gales Ferry: 43/100 · Groton: 43/100
No gap.
Flood
Gales Ferry: 68/100 · Groton: 97/100
Groton is 29 points higher.
Gales Ferry: FEMA NFHL flood zones: 14 features intersect this tile.
Groton: FEMA NFHL flood zones: 19 features intersect this tile.
Wind
Gales Ferry: 33/100 · Groton: 35/100
Groton is 2 points higher.
Gales Ferry: Wind exposure derived from ingested design wind / climatology tiles.
Groton: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Gales Ferry: 10/100 · Groton: 9/100
Gales Ferry is 1 points higher.
Gales Ferry: Lightning exposure derived from ingested climatology tiles.
Groton: Lightning exposure derived from ingested climatology tiles.
Tornado
Gales Ferry: 0/100 · Groton: 0/100
No gap.
Gales Ferry: Tornado risk derived from NOAA SPC historical reports.
Groton: Tornado risk derived from NOAA SPC historical reports.
Hail
Gales Ferry: 13/100 · Groton: 6/100
Gales Ferry is 7 points higher.
Gales Ferry: Hail risk derived from NOAA SPC historical reports.
Groton: Hail risk derived from NOAA SPC historical reports.
Storm surge
Gales Ferry: 92/100 · Groton: 97/100
Groton is 5 points higher.
Gales Ferry: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Groton: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Gales Ferry: 54/100 · Groton: 27/100
Gales Ferry is 27 points higher.
Gales Ferry: Wildfire exposure derived from ingested fire potential tiles.
Groton: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Gales Ferry: 33/100 · Groton: 33/100
No gap.
Gales Ferry: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Groton: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.