City vs city
South Lancaster vs Worcester, MA
South Lancaster and Worcester are tied on overall score, with the biggest factor difference in tornado.
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
South Lancaster: 24/100 · Worcester: 24/100
No gap.
Flood
South Lancaster: 46/100 · Worcester: 30/100
South Lancaster is 16 points higher.
South Lancaster: FEMA NFHL flood zones: 13 features intersect this tile.
Worcester: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
South Lancaster: 24/100 · Worcester: 25/100
Worcester is 1 points higher.
South Lancaster: Wind exposure derived from ingested design wind / climatology tiles.
Worcester: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
South Lancaster: 7/100 · Worcester: 8/100
Worcester is 1 points higher.
South Lancaster: Lightning exposure derived from ingested climatology tiles.
Worcester: Lightning exposure derived from ingested climatology tiles.
Tornado
South Lancaster: 4/100 · Worcester: 31/100
Worcester is 27 points higher.
South Lancaster: Tornado risk derived from NOAA SPC historical reports.
Worcester: Tornado risk derived from NOAA SPC historical reports.
Hail
South Lancaster: 18/100 · Worcester: 30/100
Worcester is 12 points higher.
South Lancaster: Hail risk derived from NOAA SPC historical reports.
Worcester: Hail risk derived from NOAA SPC historical reports.
Storm surge
South Lancaster: Unavailable · Worcester: Unavailable
A score difference cannot be calculated without both sources.
South Lancaster: Storm surge model is not available for this location yet.
Worcester: Storm surge model is not available for this location yet.
Wildfire
South Lancaster: 44/100 · Worcester: 17/100
South Lancaster is 27 points higher.
South Lancaster: Wildfire exposure derived from ingested fire potential tiles.
Worcester: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
South Lancaster: 26/100 · Worcester: 27/100
Worcester is 1 points higher.
South Lancaster: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Worcester: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.