City vs city
Birmingham vs Grayson Valley, AL
Birmingham currently scores 6 points higher overall than Grayson Valley, 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
Birmingham: 52/100 · Grayson Valley: 46/100
Birmingham is 6 points higher.
Flood
Birmingham: 34/100 · Grayson Valley: 30/100
Birmingham is 4 points higher.
Birmingham: FEMA NFHL flood zones: 10 features intersect this tile.
Grayson Valley: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Birmingham: 17/100 · Grayson Valley: 17/100
No gap.
Birmingham: Wind exposure derived from ingested design wind / climatology tiles.
Grayson Valley: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Birmingham: 66/100 · Grayson Valley: 67/100
Grayson Valley is 1 points higher.
Birmingham: Lightning exposure derived from ingested climatology tiles.
Grayson Valley: Lightning exposure derived from ingested climatology tiles.
Tornado
Birmingham: 65/100 · Grayson Valley: 15/100
Birmingham is 50 points higher.
Birmingham: Tornado risk derived from NOAA SPC historical reports.
Grayson Valley: Tornado risk derived from NOAA SPC historical reports.
Hail
Birmingham: 100/100 · Grayson Valley: 100/100
No gap.
Birmingham: Hail risk derived from NOAA SPC historical reports.
Grayson Valley: Hail risk derived from NOAA SPC historical reports.
Storm surge
Birmingham: Unavailable · Grayson Valley: Unavailable
A score difference cannot be calculated without both sources.
Birmingham: Storm surge model is not available for this location yet.
Grayson Valley: Storm surge model is not available for this location yet.
Wildfire
Birmingham: 57/100 · Grayson Valley: 66/100
Grayson Valley is 9 points higher.
Birmingham: Wildfire exposure derived from ingested fire potential tiles.
Grayson Valley: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Birmingham: 28/100 · Grayson Valley: 28/100
No gap.
Birmingham: 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.