City vs city
Alcester vs Centerville, SD
Centerville currently scores 3 points higher overall than Alcester, 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
Alcester: 40/100 · Centerville: 43/100
Centerville is 3 points higher.
Flood
Alcester: 68/100 · Centerville: 79/100
Centerville is 11 points higher.
Alcester: FEMA NFHL flood zones: 9 features intersect this tile.
Centerville: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Alcester: 20/100 · Centerville: 20/100
No gap.
Alcester: Wind exposure derived from ingested design wind / climatology tiles.
Centerville: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Alcester: 42/100 · Centerville: 38/100
Alcester is 4 points higher.
Alcester: Lightning exposure derived from ingested climatology tiles.
Centerville: Lightning exposure derived from ingested climatology tiles.
Tornado
Alcester: 23/100 · Centerville: 42/100
Centerville is 19 points higher.
Alcester: Tornado risk derived from NOAA SPC historical reports.
Centerville: Tornado risk derived from NOAA SPC historical reports.
Hail
Alcester: 52/100 · Centerville: 55/100
Centerville is 3 points higher.
Alcester: Hail risk derived from NOAA SPC historical reports.
Centerville: Hail risk derived from NOAA SPC historical reports.
Storm surge
Alcester: Unavailable · Centerville: Unavailable
A score difference cannot be calculated without both sources.
Alcester: Storm surge model is not available for this location yet.
Centerville: Storm surge model is not available for this location yet.
Wildfire
Alcester: 50/100 · Centerville: 48/100
Alcester is 2 points higher.
Alcester: Wildfire exposure derived from ingested fire potential tiles.
Centerville: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Alcester: 22/100 · Centerville: 22/100
No gap.
Alcester: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Centerville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.