City vs city
Dunwoody vs Roswell, GA
Dunwoody currently scores 3 points higher overall than Roswell, 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 is a current EPA AirNow signal; 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
Dunwoody: 48/100 · Roswell: 45/100
Dunwoody is 3 points higher.
Flood
Dunwoody: 38/100 · Roswell: 38/100
No gap.
Dunwoody: FEMA NFHL flood zones: 11 features intersect this tile.
Roswell: FEMA NFHL flood zones: 9 features intersect this tile.
Wind
Dunwoody: 15/100 · Roswell: 15/100
No gap.
Dunwoody: Wind exposure derived from ingested design wind / climatology tiles.
Roswell: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Dunwoody: 60/100 · Roswell: 58/100
Dunwoody is 2 points higher.
Dunwoody: Lightning exposure derived from ingested climatology tiles.
Roswell: Lightning exposure derived from ingested climatology tiles.
Tornado
Dunwoody: 27/100 · Roswell: 8/100
Dunwoody is 19 points higher.
Dunwoody: Tornado risk derived from NOAA SPC historical reports.
Roswell: Tornado risk derived from NOAA SPC historical reports.
Hail
Dunwoody: 100/100 · Roswell: 100/100
No gap.
Dunwoody: Hail risk derived from NOAA SPC historical reports.
Roswell: Hail risk derived from NOAA SPC historical reports.
Storm surge
Dunwoody: Unavailable · Roswell: Unavailable
A score difference cannot be calculated without both sources.
Dunwoody: Storm surge model is not available for this location yet.
Roswell: Storm surge model is not available for this location yet.
Wildfire
Dunwoody: 62/100 · Roswell: 64/100
Roswell is 2 points higher.
Dunwoody: Wildfire exposure derived from ingested fire potential tiles.
Roswell: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Dunwoody: 33/100 · Roswell: 33/100
No gap.
Dunwoody: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Roswell: Air quality signal derived from the latest EPA AirNow combined AQI grid.