City vs city
Millersville vs Shackle Island, TN
Millersville currently scores 7 points higher overall than Shackle Island, with the largest gap in hail.
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
Millersville: 38/100 · Shackle Island: 31/100
Millersville is 7 points higher.
Flood
Millersville: 28/100 · Shackle Island: 39/100
Shackle Island is 11 points higher.
Millersville: FEMA NFHL flood zones: 6 features intersect this tile.
Shackle Island: FEMA NFHL flood zones: 12 features intersect this tile.
Wind
Millersville: 14/100 · Shackle Island: 14/100
No gap.
Millersville: Wind exposure derived from ingested design wind / climatology tiles.
Shackle Island: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Millersville: 51/100 · Shackle Island: 49/100
Millersville is 2 points higher.
Millersville: Lightning exposure derived from ingested climatology tiles.
Shackle Island: Lightning exposure derived from ingested climatology tiles.
Tornado
Millersville: 46/100 · Shackle Island: 19/100
Millersville is 27 points higher.
Millersville: Tornado risk derived from NOAA SPC historical reports.
Shackle Island: Tornado risk derived from NOAA SPC historical reports.
Hail
Millersville: 73/100 · Shackle Island: 37/100
Millersville is 36 points higher.
Millersville: Hail risk derived from NOAA SPC historical reports.
Shackle Island: Hail risk derived from NOAA SPC historical reports.
Storm surge
Millersville: Unavailable · Shackle Island: Unavailable
A score difference cannot be calculated without both sources.
Millersville: Storm surge model is not available for this location yet.
Shackle Island: Storm surge model is not available for this location yet.
Wildfire
Millersville: 17/100 · Shackle Island: 19/100
Shackle Island is 2 points higher.
Millersville: Wildfire exposure derived from ingested fire potential tiles.
Shackle Island: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Millersville: 36/100 · Shackle Island: 37/100
Shackle Island is 1 points higher.
Millersville: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Shackle Island: Air quality signal derived from the latest EPA AirNow combined AQI grid.