City vs city
Porters Neck vs Topsail Beach, NC
Topsail Beach currently scores 2 points higher overall than Porters Neck, 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
Porters Neck: 44/100 · Topsail Beach: 46/100
Topsail Beach is 2 points higher.
Flood
Porters Neck: 48/100 · Topsail Beach: 55/100
Topsail Beach is 7 points higher.
Porters Neck: FEMA NFHL flood zones: 15 features intersect this tile.
Topsail Beach: FEMA NFHL flood zones: 18 features intersect this tile.
Wind
Porters Neck: 50/100 · Topsail Beach: 50/100
No gap.
Porters Neck: Wind exposure derived from ingested design wind / climatology tiles.
Topsail Beach: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Porters Neck: 43/100 · Topsail Beach: 44/100
Topsail Beach is 1 points higher.
Porters Neck: Lightning exposure derived from ingested climatology tiles.
Topsail Beach: Lightning exposure derived from ingested climatology tiles.
Tornado
Porters Neck: 38/100 · Topsail Beach: 19/100
Porters Neck is 19 points higher.
Porters Neck: Tornado risk derived from NOAA SPC historical reports.
Topsail Beach: Tornado risk derived from NOAA SPC historical reports.
Hail
Porters Neck: 38/100 · Topsail Beach: 18/100
Porters Neck is 20 points higher.
Porters Neck: Hail risk derived from NOAA SPC historical reports.
Topsail Beach: Hail risk derived from NOAA SPC historical reports.
Storm surge
Porters Neck: 99/100 · Topsail Beach: 99/100
No gap.
Porters Neck: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Topsail Beach: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Porters Neck: 17/100 · Topsail Beach: 64/100
Topsail Beach is 47 points higher.
Porters Neck: Wildfire exposure derived from ingested fire potential tiles.
Topsail Beach: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Porters Neck: 18/100 · Topsail Beach: 18/100
No gap.
Porters Neck: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Topsail Beach: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.