City vs city
Grayson Valley vs Hoover, AL
Grayson Valley currently scores 1 points higher overall than Hoover, 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
Grayson Valley: 46/100 · Hoover: 45/100
Grayson Valley is 1 points higher.
Flood
Grayson Valley: 30/100 · Hoover: 38/100
Hoover is 8 points higher.
Grayson Valley: FEMA NFHL flood zones: 8 features intersect this tile.
Hoover: FEMA NFHL flood zones: 12 features intersect this tile.
Wind
Grayson Valley: 17/100 · Hoover: 17/100
No gap.
Grayson Valley: Wind exposure derived from ingested design wind / climatology tiles.
Hoover: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Grayson Valley: 67/100 · Hoover: 65/100
Grayson Valley is 2 points higher.
Grayson Valley: Lightning exposure derived from ingested climatology tiles.
Hoover: Lightning exposure derived from ingested climatology tiles.
Tornado
Grayson Valley: 15/100 · Hoover: 4/100
Grayson Valley is 11 points higher.
Grayson Valley: Tornado risk derived from NOAA SPC historical reports.
Hoover: Tornado risk derived from NOAA SPC historical reports.
Hail
Grayson Valley: 100/100 · Hoover: 100/100
No gap.
Grayson Valley: Hail risk derived from NOAA SPC historical reports.
Hoover: Hail risk derived from NOAA SPC historical reports.
Storm surge
Grayson Valley: Unavailable · Hoover: Unavailable
A score difference cannot be calculated without both sources.
Grayson Valley: Storm surge model is not available for this location yet.
Hoover: Storm surge model is not available for this location yet.
Wildfire
Grayson Valley: 66/100 · Hoover: 65/100
Grayson Valley is 1 points higher.
Grayson Valley: Wildfire exposure derived from ingested fire potential tiles.
Hoover: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Grayson Valley: 28/100 · Hoover: 27/100
Grayson Valley is 1 points higher.
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.
Hoover: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.