City vs city
Ewing Township vs Mercerville, NJ
Ewing Township currently scores 12 points higher overall than Mercerville, with the largest gap 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
Ewing Township: 50/100 · Mercerville: 38/100
Ewing Township is 12 points higher.
Flood
Ewing Township: 6/100 · Mercerville: 20/100
Mercerville is 14 points higher.
Ewing Township: FEMA NFHL flood zones: 2 features intersect this tile.
Mercerville: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Ewing Township: 22/100 · Mercerville: 22/100
No gap.
Ewing Township: Wind exposure derived from ingested design wind / climatology tiles.
Mercerville: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Ewing Township: 24/100 · Mercerville: 22/100
Ewing Township is 2 points higher.
Ewing Township: Lightning exposure derived from ingested climatology tiles.
Mercerville: Lightning exposure derived from ingested climatology tiles.
Tornado
Ewing Township: 73/100 · Mercerville: 0/100
Ewing Township is 73 points higher.
Ewing Township: Tornado risk derived from NOAA SPC historical reports.
Mercerville: Tornado risk derived from NOAA SPC historical reports.
Hail
Ewing Township: 75/100 · Mercerville: 58/100
Ewing Township is 17 points higher.
Ewing Township: Hail risk derived from NOAA SPC historical reports.
Mercerville: Hail risk derived from NOAA SPC historical reports.
Storm surge
Ewing Township: 92/100 · Mercerville: Unavailable
A score difference cannot be calculated without both sources.
Ewing Township: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Mercerville: Storm surge model is not available for this location yet.
Wildfire
Ewing Township: 64/100 · Mercerville: 60/100
Ewing Township is 4 points higher.
Ewing Township: Wildfire exposure derived from ingested fire potential tiles.
Mercerville: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Ewing Township: 46/100 · Mercerville: 46/100
No gap.
Ewing Township: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Mercerville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.