City vs city
Centreville vs Valley Grande, AL
Centreville currently scores 13 points higher overall than Valley Grande, 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
Centreville: 53/100 · Valley Grande: 40/100
Centreville is 13 points higher.
Flood
Centreville: 66/100 · Valley Grande: 44/100
Centreville is 22 points higher.
Centreville: FEMA NFHL flood zones: 6 features intersect this tile.
Valley Grande: FEMA NFHL flood zones: 11 features intersect this tile.
Wind
Centreville: 18/100 · Valley Grande: 21/100
Valley Grande is 3 points higher.
Centreville: Wind exposure derived from ingested design wind / climatology tiles.
Valley Grande: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Centreville: 67/100 · Valley Grande: 71/100
Valley Grande is 4 points higher.
Centreville: Lightning exposure derived from ingested climatology tiles.
Valley Grande: Lightning exposure derived from ingested climatology tiles.
Tornado
Centreville: 50/100 · Valley Grande: 15/100
Centreville is 35 points higher.
Centreville: Tornado risk derived from NOAA SPC historical reports.
Valley Grande: Tornado risk derived from NOAA SPC historical reports.
Hail
Centreville: 77/100 · Valley Grande: 44/100
Centreville is 33 points higher.
Centreville: Hail risk derived from NOAA SPC historical reports.
Valley Grande: Hail risk derived from NOAA SPC historical reports.
Storm surge
Centreville: Unavailable · Valley Grande: Unavailable
A score difference cannot be calculated without both sources.
Centreville: Storm surge model is not available for this location yet.
Valley Grande: Storm surge model is not available for this location yet.
Wildfire
Centreville: 65/100 · Valley Grande: 56/100
Centreville is 9 points higher.
Centreville: Wildfire exposure derived from ingested fire potential tiles.
Valley Grande: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Centreville: 26/100 · Valley Grande: 27/100
Valley Grande is 1 points higher.
Centreville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Valley Grande: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.