City vs city
Arnold vs Natrona Heights, PA
Arnold currently scores 6 points higher overall than Natrona Heights, 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
Arnold: 48/100 · Natrona Heights: 42/100
Arnold is 6 points higher.
Flood
Arnold: 85/100 · Natrona Heights: 76/100
Arnold is 9 points higher.
Arnold: FEMA NFHL flood zones: 9 features intersect this tile.
Natrona Heights: FEMA NFHL flood zones: 9 features intersect this tile.
Wind
Arnold: 18/100 · Natrona Heights: 18/100
No gap.
Arnold: Wind exposure derived from ingested design wind / climatology tiles.
Natrona Heights: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Arnold: 29/100 · Natrona Heights: 31/100
Natrona Heights is 2 points higher.
Arnold: Lightning exposure derived from ingested climatology tiles.
Natrona Heights: Lightning exposure derived from ingested climatology tiles.
Tornado
Arnold: 0/100 · Natrona Heights: 54/100
Natrona Heights is 54 points higher.
Arnold: Tornado risk derived from NOAA SPC historical reports.
Natrona Heights: Tornado risk derived from NOAA SPC historical reports.
Hail
Arnold: 95/100 · Natrona Heights: 53/100
Arnold is 42 points higher.
Arnold: Hail risk derived from NOAA SPC historical reports.
Natrona Heights: Hail risk derived from NOAA SPC historical reports.
Storm surge
Arnold: Unavailable · Natrona Heights: Unavailable
A score difference cannot be calculated without both sources.
Arnold: Storm surge model is not available for this location yet.
Natrona Heights: Storm surge model is not available for this location yet.
Wildfire
Arnold: 24/100 · Natrona Heights: 23/100
Arnold is 1 points higher.
Arnold: Wildfire exposure derived from ingested fire potential tiles.
Natrona Heights: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Arnold: 38/100 · Natrona Heights: 38/100
No gap.
Arnold: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Natrona Heights: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.