City vs city
Old Greenwich vs Rock Ridge, CT
Old Greenwich currently scores 2 points higher overall than Rock Ridge, with the largest gap in ingested air quality.
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
Old Greenwich: 37/100 · Rock Ridge: 35/100
Old Greenwich is 2 points higher.
Flood
Old Greenwich: 0/100 · Rock Ridge: 10/100
Rock Ridge is 10 points higher.
Old Greenwich: FEMA NFHL flood zones: 0 features intersect this tile.
Rock Ridge: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Old Greenwich: 25/100 · Rock Ridge: 24/100
Old Greenwich is 1 points higher.
Old Greenwich: Wind exposure derived from ingested design wind / climatology tiles.
Rock Ridge: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Old Greenwich: 18/100 · Rock Ridge: 20/100
Rock Ridge is 2 points higher.
Old Greenwich: Lightning exposure derived from ingested climatology tiles.
Rock Ridge: Lightning exposure derived from ingested climatology tiles.
Tornado
Old Greenwich: 0/100 · Rock Ridge: 8/100
Rock Ridge is 8 points higher.
Old Greenwich: Tornado risk derived from NOAA SPC historical reports.
Rock Ridge: Tornado risk derived from NOAA SPC historical reports.
Hail
Old Greenwich: 10/100 · Rock Ridge: 14/100
Rock Ridge is 4 points higher.
Old Greenwich: Hail risk derived from NOAA SPC historical reports.
Rock Ridge: Hail risk derived from NOAA SPC historical reports.
Storm surge
Old Greenwich: 99/100 · Rock Ridge: 99/100
No gap.
Old Greenwich: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Rock Ridge: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Old Greenwich: 64/100 · Rock Ridge: 74/100
Rock Ridge is 10 points higher.
Old Greenwich: Wildfire exposure derived from ingested fire potential tiles.
Rock Ridge: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Old Greenwich: 42/100 · Rock Ridge: 27/100
Old Greenwich is 15 points higher.
Old Greenwich: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Rock Ridge: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.