City vs city
Mars Hill vs Swannanoa, NC
Mars Hill and Swannanoa are tied on overall score, with the biggest factor difference 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
Mars Hill: 37/100 · Swannanoa: 37/100
No gap.
Flood
Mars Hill: 26/100 · Swannanoa: 30/100
Swannanoa is 4 points higher.
Mars Hill: FEMA NFHL flood zones: 2 features intersect this tile.
Swannanoa: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Mars Hill: 14/100 · Swannanoa: 15/100
Swannanoa is 1 points higher.
Mars Hill: Wind exposure derived from ingested design wind / climatology tiles.
Swannanoa: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Mars Hill: 39/100 · Swannanoa: 47/100
Swannanoa is 8 points higher.
Mars Hill: Lightning exposure derived from ingested climatology tiles.
Swannanoa: Lightning exposure derived from ingested climatology tiles.
Tornado
Mars Hill: 0/100 · Swannanoa: 4/100
Swannanoa is 4 points higher.
Mars Hill: Tornado risk derived from NOAA SPC historical reports.
Swannanoa: Tornado risk derived from NOAA SPC historical reports.
Hail
Mars Hill: 52/100 · Swannanoa: 78/100
Swannanoa is 26 points higher.
Mars Hill: Hail risk derived from NOAA SPC historical reports.
Swannanoa: Hail risk derived from NOAA SPC historical reports.
Storm surge
Mars Hill: Unavailable · Swannanoa: Unavailable
A score difference cannot be calculated without both sources.
Mars Hill: Storm surge model is not available for this location yet.
Swannanoa: Storm surge model is not available for this location yet.
Wildfire
Mars Hill: 59/100 · Swannanoa: 50/100
Mars Hill is 9 points higher.
Mars Hill: Wildfire exposure derived from ingested fire potential tiles.
Swannanoa: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Mars Hill: 32/100 · Swannanoa: 32/100
No gap.
Mars Hill: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Swannanoa: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.