City vs city
Blackwells Mills vs Branchburg, NJ
Branchburg currently scores 6 points higher overall than Blackwells Mills, with the largest gap in hail.
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
Blackwells Mills: 29/100 · Branchburg: 35/100
Branchburg is 6 points higher.
Flood
Blackwells Mills: 17/100 · Branchburg: 20/100
Branchburg is 3 points higher.
Blackwells Mills: FEMA NFHL flood zones: 14 features intersect this tile.
Branchburg: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Blackwells Mills: 22/100 · Branchburg: 22/100
No gap.
Blackwells Mills: Wind exposure derived from ingested design wind / climatology tiles.
Branchburg: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Blackwells Mills: 20/100 · Branchburg: 21/100
Branchburg is 1 points higher.
Blackwells Mills: Lightning exposure derived from ingested climatology tiles.
Branchburg: Lightning exposure derived from ingested climatology tiles.
Tornado
Blackwells Mills: 0/100 · Branchburg: 0/100
No gap.
Blackwells Mills: Tornado risk derived from NOAA SPC historical reports.
Branchburg: Tornado risk derived from NOAA SPC historical reports.
Hail
Blackwells Mills: 6/100 · Branchburg: 35/100
Branchburg is 29 points higher.
Blackwells Mills: Hail risk derived from NOAA SPC historical reports.
Branchburg: Hail risk derived from NOAA SPC historical reports.
Storm surge
Blackwells Mills: Unavailable · Branchburg: Unavailable
A score difference cannot be calculated without both sources.
Blackwells Mills: Storm surge model is not available for this location yet.
Branchburg: Storm surge model is not available for this location yet.
Wildfire
Blackwells Mills: 73/100 · Branchburg: 71/100
Blackwells Mills is 2 points higher.
Blackwells Mills: Wildfire exposure derived from ingested fire potential tiles.
Branchburg: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Blackwells Mills: 37/100 · Branchburg: 39/100
Branchburg is 2 points higher.
Blackwells Mills: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Branchburg: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.