City vs city
Northwest Harwinton vs Plymouth, CT
Plymouth currently scores 15 points higher overall than Northwest Harwinton, 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
Northwest Harwinton: 19/100 · Plymouth: 34/100
Plymouth is 15 points higher.
Flood
Northwest Harwinton: 3/100 · Plymouth: 44/100
Plymouth is 41 points higher.
Northwest Harwinton: FEMA NFHL flood zones: 1 features intersect this tile.
Plymouth: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Northwest Harwinton: 23/100 · Plymouth: 25/100
Plymouth is 2 points higher.
Northwest Harwinton: Wind exposure derived from ingested design wind / climatology tiles.
Plymouth: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Northwest Harwinton: 13/100 · Plymouth: 13/100
No gap.
Northwest Harwinton: Lightning exposure derived from ingested climatology tiles.
Plymouth: Lightning exposure derived from ingested climatology tiles.
Tornado
Northwest Harwinton: 19/100 · Plymouth: 27/100
Plymouth is 8 points higher.
Northwest Harwinton: Tornado risk derived from NOAA SPC historical reports.
Plymouth: Tornado risk derived from NOAA SPC historical reports.
Hail
Northwest Harwinton: 28/100 · Plymouth: 38/100
Plymouth is 10 points higher.
Northwest Harwinton: Hail risk derived from NOAA SPC historical reports.
Plymouth: Hail risk derived from NOAA SPC historical reports.
Storm surge
Northwest Harwinton: Unavailable · Plymouth: Unavailable
A score difference cannot be calculated without both sources.
Northwest Harwinton: Storm surge model is not available for this location yet.
Plymouth: Storm surge model is not available for this location yet.
Wildfire
Northwest Harwinton: 18/100 · Plymouth: 61/100
Plymouth is 43 points higher.
Northwest Harwinton: Wildfire exposure derived from ingested fire potential tiles.
Plymouth: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Northwest Harwinton: 28/100 · Plymouth: 28/100
No gap.
Northwest Harwinton: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Plymouth: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.