City vs city
Grayson vs Snellville, GA
Snellville currently scores 2 points higher overall than Grayson, 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
Grayson: 38/100 · Snellville: 40/100
Snellville is 2 points higher.
Flood
Grayson: 46/100 · Snellville: 39/100
Grayson is 7 points higher.
Grayson: FEMA NFHL flood zones: 9 features intersect this tile.
Snellville: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Grayson: 16/100 · Snellville: 16/100
No gap.
Grayson: Wind exposure derived from ingested design wind / climatology tiles.
Snellville: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Grayson: 59/100 · Snellville: 59/100
No gap.
Grayson: Lightning exposure derived from ingested climatology tiles.
Snellville: Lightning exposure derived from ingested climatology tiles.
Tornado
Grayson: 15/100 · Snellville: 15/100
No gap.
Grayson: Tornado risk derived from NOAA SPC historical reports.
Snellville: Tornado risk derived from NOAA SPC historical reports.
Hail
Grayson: 33/100 · Snellville: 57/100
Snellville is 24 points higher.
Grayson: Hail risk derived from NOAA SPC historical reports.
Snellville: Hail risk derived from NOAA SPC historical reports.
Storm surge
Grayson: Unavailable · Snellville: Unavailable
A score difference cannot be calculated without both sources.
Grayson: Storm surge model is not available for this location yet.
Snellville: Storm surge model is not available for this location yet.
Wildfire
Grayson: 67/100 · Snellville: 66/100
Grayson is 1 points higher.
Grayson: Wildfire exposure derived from ingested fire potential tiles.
Snellville: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Grayson: 29/100 · Snellville: 29/100
No gap.
Grayson: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Snellville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.