City vs city
Groton vs Salmon Brook, CT
Groton currently scores 17 points higher overall than Salmon Brook, 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
Groton: 43/100 · Salmon Brook: 26/100
Groton is 17 points higher.
Flood
Groton: 97/100 · Salmon Brook: 0/100
Groton is 97 points higher.
Groton: FEMA NFHL flood zones: 19 features intersect this tile.
Salmon Brook: FEMA NFHL flood zones: 0 features intersect this tile.
Wind
Groton: 35/100 · Salmon Brook: 23/100
Groton is 12 points higher.
Groton: Wind exposure derived from ingested design wind / climatology tiles.
Salmon Brook: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Groton: 9/100 · Salmon Brook: 10/100
Salmon Brook is 1 points higher.
Groton: Lightning exposure derived from ingested climatology tiles.
Salmon Brook: Lightning exposure derived from ingested climatology tiles.
Tornado
Groton: 0/100 · Salmon Brook: 0/100
No gap.
Groton: Tornado risk derived from NOAA SPC historical reports.
Salmon Brook: Tornado risk derived from NOAA SPC historical reports.
Hail
Groton: 6/100 · Salmon Brook: 30/100
Salmon Brook is 24 points higher.
Groton: Hail risk derived from NOAA SPC historical reports.
Salmon Brook: Hail risk derived from NOAA SPC historical reports.
Storm surge
Groton: 97/100 · Salmon Brook: Unavailable
A score difference cannot be calculated without both sources.
Groton: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Salmon Brook: Storm surge model is not available for this location yet.
Wildfire
Groton: 27/100 · Salmon Brook: 64/100
Salmon Brook is 37 points higher.
Groton: Wildfire exposure derived from ingested fire potential tiles.
Salmon Brook: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Groton: 33/100 · Salmon Brook: 27/100
Groton is 6 points higher.
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.
Salmon Brook: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.