City vs city
Corsica vs Mount Vernon, SD
Mount Vernon currently scores 18 points higher overall than Corsica, with the largest gap 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 is a current EPA AirNow signal; 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
Corsica: 24/100 · Mount Vernon: 42/100
Mount Vernon is 18 points higher.
Flood
Corsica: 0/100 · Mount Vernon: 41/100
Mount Vernon is 41 points higher.
Corsica: FEMA NFHL flood zones: 0 features intersect this tile.
Mount Vernon: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Corsica: 21/100 · Mount Vernon: 21/100
No gap.
Corsica: Wind exposure derived from ingested design wind / climatology tiles.
Mount Vernon: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Corsica: 40/100 · Mount Vernon: 49/100
Mount Vernon is 9 points higher.
Corsica: Lightning exposure derived from ingested climatology tiles.
Mount Vernon: Lightning exposure derived from ingested climatology tiles.
Tornado
Corsica: 8/100 · Mount Vernon: 23/100
Mount Vernon is 15 points higher.
Corsica: Tornado risk derived from NOAA SPC historical reports.
Mount Vernon: Tornado risk derived from NOAA SPC historical reports.
Hail
Corsica: 31/100 · Mount Vernon: 71/100
Mount Vernon is 40 points higher.
Corsica: Hail risk derived from NOAA SPC historical reports.
Mount Vernon: Hail risk derived from NOAA SPC historical reports.
Storm surge
Corsica: Unavailable · Mount Vernon: Unavailable
A score difference cannot be calculated without both sources.
Corsica: Storm surge model is not available for this location yet.
Mount Vernon: Storm surge model is not available for this location yet.
Wildfire
Corsica: 42/100 · Mount Vernon: 47/100
Mount Vernon is 5 points higher.
Corsica: Wildfire exposure derived from ingested fire potential tiles.
Mount Vernon: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Corsica: Unavailable · Mount Vernon: Unavailable
A score difference cannot be calculated without both sources.
Corsica: Air quality model is not available for this location yet.
Mount Vernon: Air quality model is not available for this location yet.