City vs city
Atlanta vs Norristown, GA
Atlanta currently scores 8 points higher overall than Norristown, 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
Atlanta: 43/100 · Norristown: 35/100
Atlanta is 8 points higher.
Flood
Atlanta: 28/100 · Norristown: 39/100
Norristown is 11 points higher.
Atlanta: FEMA NFHL flood zones: 8 features intersect this tile.
Norristown: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Atlanta: 16/100 · Norristown: 21/100
Norristown is 5 points higher.
Atlanta: Wind exposure derived from ingested design wind / climatology tiles.
Norristown: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Atlanta: 60/100 · Norristown: 59/100
Atlanta is 1 points higher.
Atlanta: Lightning exposure derived from ingested climatology tiles.
Norristown: Lightning exposure derived from ingested climatology tiles.
Tornado
Atlanta: 12/100 · Norristown: 8/100
Atlanta is 4 points higher.
Atlanta: Tornado risk derived from NOAA SPC historical reports.
Norristown: Tornado risk derived from NOAA SPC historical reports.
Hail
Atlanta: 100/100 · Norristown: 14/100
Atlanta is 86 points higher.
Atlanta: Hail risk derived from NOAA SPC historical reports.
Norristown: Hail risk derived from NOAA SPC historical reports.
Storm surge
Atlanta: Unavailable · Norristown: Unavailable
A score difference cannot be calculated without both sources.
Atlanta: Storm surge model is not available for this location yet.
Norristown: Storm surge model is not available for this location yet.
Wildfire
Atlanta: 50/100 · Norristown: 79/100
Norristown is 29 points higher.
Atlanta: Wildfire exposure derived from ingested fire potential tiles.
Norristown: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Atlanta: 35/100 · Norristown: 26/100
Atlanta is 9 points higher.
Atlanta: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Norristown: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.