City vs city
Irondale vs Riverdale, GA
Irondale currently scores 2 points higher overall than Riverdale, 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
Irondale: 48/100 · Riverdale: 46/100
Irondale is 2 points higher.
Flood
Irondale: 37/100 · Riverdale: 42/100
Riverdale is 5 points higher.
Irondale: FEMA NFHL flood zones: 10 features intersect this tile.
Riverdale: FEMA NFHL flood zones: 11 features intersect this tile.
Wind
Irondale: 16/100 · Riverdale: 16/100
No gap.
Irondale: Wind exposure derived from ingested design wind / climatology tiles.
Riverdale: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Irondale: 58/100 · Riverdale: 60/100
Riverdale is 2 points higher.
Irondale: Lightning exposure derived from ingested climatology tiles.
Riverdale: Lightning exposure derived from ingested climatology tiles.
Tornado
Irondale: 0/100 · Riverdale: 31/100
Riverdale is 31 points higher.
Irondale: Tornado risk derived from NOAA SPC historical reports.
Riverdale: Tornado risk derived from NOAA SPC historical reports.
Hail
Irondale: 80/100 · Riverdale: 83/100
Riverdale is 3 points higher.
Irondale: Hail risk derived from NOAA SPC historical reports.
Riverdale: Hail risk derived from NOAA SPC historical reports.
Storm surge
Irondale: Unavailable · Riverdale: Unavailable
A score difference cannot be calculated without both sources.
Irondale: Storm surge model is not available for this location yet.
Riverdale: Storm surge model is not available for this location yet.
Wildfire
Irondale: 68/100 · Riverdale: 56/100
Irondale is 12 points higher.
Irondale: Wildfire exposure derived from ingested fire potential tiles.
Riverdale: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Irondale: 31/100 · Riverdale: 34/100
Riverdale is 3 points higher.
Irondale: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Riverdale: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.