City vs city
Harrisville vs Westerly, RI
Westerly currently scores 6 points higher overall than Harrisville, 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
Harrisville: 29/100 · Westerly: 35/100
Westerly is 6 points higher.
Flood
Harrisville: 40/100 · Westerly: 39/100
Harrisville is 1 points higher.
Harrisville: FEMA NFHL flood zones: 8 features intersect this tile.
Westerly: FEMA NFHL flood zones: 9 features intersect this tile.
Wind
Harrisville: 29/100 · Westerly: 36/100
Westerly is 7 points higher.
Harrisville: Wind exposure derived from ingested design wind / climatology tiles.
Westerly: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Harrisville: 9/100 · Westerly: 8/100
Harrisville is 1 points higher.
Harrisville: Lightning exposure derived from ingested climatology tiles.
Westerly: Lightning exposure derived from ingested climatology tiles.
Tornado
Harrisville: 0/100 · Westerly: 8/100
Westerly is 8 points higher.
Harrisville: Tornado risk derived from NOAA SPC historical reports.
Westerly: Tornado risk derived from NOAA SPC historical reports.
Hail
Harrisville: 9/100 · Westerly: 18/100
Westerly is 9 points higher.
Harrisville: Hail risk derived from NOAA SPC historical reports.
Westerly: Hail risk derived from NOAA SPC historical reports.
Storm surge
Harrisville: Unavailable · Westerly: 99/100
A score difference cannot be calculated without both sources.
Harrisville: Storm surge model is not available for this location yet.
Westerly: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Harrisville: 60/100 · Westerly: 43/100
Harrisville is 17 points higher.
Harrisville: Wildfire exposure derived from ingested fire potential tiles.
Westerly: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Harrisville: 27/100 · Westerly: 32/100
Westerly is 5 points higher.
Harrisville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Westerly: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.