City vs city
Grantville vs Savannah, GA
Savannah currently scores 18 points higher overall than Grantville, 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
Grantville: 41/100 · Savannah: 59/100
Savannah is 18 points higher.
Flood
Grantville: 37/100 · Savannah: 10/100
Grantville is 27 points higher.
Grantville: FEMA NFHL flood zones: 8 features intersect this tile.
Savannah: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Grantville: 16/100 · Savannah: 42/100
Savannah is 26 points higher.
Grantville: Wind exposure derived from ingested design wind / climatology tiles.
Savannah: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Grantville: 57/100 · Savannah: 61/100
Savannah is 4 points higher.
Grantville: Lightning exposure derived from ingested climatology tiles.
Savannah: Lightning exposure derived from ingested climatology tiles.
Tornado
Grantville: 35/100 · Savannah: 85/100
Savannah is 50 points higher.
Grantville: Tornado risk derived from NOAA SPC historical reports.
Savannah: Tornado risk derived from NOAA SPC historical reports.
Hail
Grantville: 61/100 · Savannah: 100/100
Savannah is 39 points higher.
Grantville: Hail risk derived from NOAA SPC historical reports.
Savannah: Hail risk derived from NOAA SPC historical reports.
Storm surge
Grantville: Unavailable · Savannah: 99/100
A score difference cannot be calculated without both sources.
Grantville: Storm surge model is not available for this location yet.
Savannah: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Grantville: 50/100 · Savannah: 50/100
No gap.
Grantville: Wildfire exposure derived from ingested fire potential tiles.
Savannah: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Grantville: 32/100 · Savannah: 21/100
Grantville is 11 points higher.
Grantville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Savannah: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.