City vs city
Clay vs Grayson Valley, AL
Clay and Grayson Valley are tied on overall score, with the biggest factor difference in flood.
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
Clay: 46/100 · Grayson Valley: 46/100
No gap.
Flood
Clay: 30/100 · Grayson Valley: 30/100
No gap.
Clay: FEMA NFHL flood zones: 8 features intersect this tile.
Grayson Valley: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Clay: 17/100 · Grayson Valley: 17/100
No gap.
Clay: Wind exposure derived from ingested design wind / climatology tiles.
Grayson Valley: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Clay: 67/100 · Grayson Valley: 67/100
No gap.
Clay: Lightning exposure derived from ingested climatology tiles.
Grayson Valley: Lightning exposure derived from ingested climatology tiles.
Tornado
Clay: 15/100 · Grayson Valley: 15/100
No gap.
Clay: Tornado risk derived from NOAA SPC historical reports.
Grayson Valley: Tornado risk derived from NOAA SPC historical reports.
Hail
Clay: 100/100 · Grayson Valley: 100/100
No gap.
Clay: Hail risk derived from NOAA SPC historical reports.
Grayson Valley: Hail risk derived from NOAA SPC historical reports.
Storm surge
Clay: Unavailable · Grayson Valley: Unavailable
A score difference cannot be calculated without both sources.
Clay: Storm surge model is not available for this location yet.
Grayson Valley: Storm surge model is not available for this location yet.
Wildfire
Clay: 66/100 · Grayson Valley: 66/100
No gap.
Clay: Wildfire exposure derived from ingested fire potential tiles.
Grayson Valley: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Clay: 28/100 · Grayson Valley: 28/100
No gap.
Clay: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Grayson Valley: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
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