City vs city
Hewitt vs Parsippany-Troy Hills, NJ
Hewitt and Parsippany-Troy Hills 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
Hewitt: 29/100 · Parsippany-Troy Hills: 29/100
No gap.
Flood
Hewitt: 5/100 · Parsippany-Troy Hills: 0/100
Hewitt is 5 points higher.
Hewitt: FEMA NFHL flood zones: 2 features intersect this tile.
Parsippany-Troy Hills: FEMA NFHL flood zones: 0 features intersect this tile.
Wind
Hewitt: 22/100 · Parsippany-Troy Hills: 22/100
No gap.
Hewitt: Wind exposure derived from ingested design wind / climatology tiles.
Parsippany-Troy Hills: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Hewitt: 23/100 · Parsippany-Troy Hills: 20/100
Hewitt is 3 points higher.
Hewitt: Lightning exposure derived from ingested climatology tiles.
Parsippany-Troy Hills: Lightning exposure derived from ingested climatology tiles.
Tornado
Hewitt: 15/100 · Parsippany-Troy Hills: 0/100
Hewitt is 15 points higher.
Hewitt: Tornado risk derived from NOAA SPC historical reports.
Parsippany-Troy Hills: Tornado risk derived from NOAA SPC historical reports.
Hail
Hewitt: 24/100 · Parsippany-Troy Hills: 28/100
Parsippany-Troy Hills is 4 points higher.
Hewitt: Hail risk derived from NOAA SPC historical reports.
Parsippany-Troy Hills: Hail risk derived from NOAA SPC historical reports.
Storm surge
Hewitt: Unavailable · Parsippany-Troy Hills: Unavailable
A score difference cannot be calculated without both sources.
Hewitt: Storm surge model is not available for this location yet.
Parsippany-Troy Hills: Storm surge model is not available for this location yet.
Wildfire
Hewitt: 79/100 · Parsippany-Troy Hills: 69/100
Hewitt is 10 points higher.
Hewitt: Wildfire exposure derived from ingested fire potential tiles.
Parsippany-Troy Hills: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Hewitt: 33/100 · Parsippany-Troy Hills: 37/100
Parsippany-Troy Hills is 4 points higher.
Hewitt: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Parsippany-Troy Hills: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.