City vs city
Knoxville vs Shackle Island, TN
Knoxville currently scores 11 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 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
Knoxville: 42/100 · Shackle Island: 31/100
Knoxville is 11 points higher.
Flood
Knoxville: 29/100 · Shackle Island: 39/100
Shackle Island is 10 points higher.
Knoxville: FEMA NFHL flood zones: 7 features intersect this tile.
Shackle Island: FEMA NFHL flood zones: 12 features intersect this tile.
Wind
Knoxville: 13/100 · Shackle Island: 14/100
Shackle Island is 1 points higher.
Knoxville: Wind exposure derived from ingested design wind / climatology tiles.
Shackle Island: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Knoxville: 40/100 · Shackle Island: 49/100
Shackle Island is 9 points higher.
Knoxville: Lightning exposure derived from ingested climatology tiles.
Shackle Island: Lightning exposure derived from ingested climatology tiles.
Tornado
Knoxville: 31/100 · Shackle Island: 19/100
Knoxville is 12 points higher.
Knoxville: Tornado risk derived from NOAA SPC historical reports.
Shackle Island: Tornado risk derived from NOAA SPC historical reports.
Hail
Knoxville: 100/100 · Shackle Island: 37/100
Knoxville is 63 points higher.
Knoxville: Hail risk derived from NOAA SPC historical reports.
Shackle Island: Hail risk derived from NOAA SPC historical reports.
Storm surge
Knoxville: Unavailable · Shackle Island: Unavailable
A score difference cannot be calculated without both sources.
Knoxville: Storm surge model is not available for this location yet.
Shackle Island: Storm surge model is not available for this location yet.
Wildfire
Knoxville: 48/100 · Shackle Island: 19/100
Knoxville is 29 points higher.
Knoxville: Wildfire exposure derived from ingested fire potential tiles.
Shackle Island: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Knoxville: 33/100 · Shackle Island: 37/100
Shackle Island is 4 points higher.
Knoxville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Shackle Island: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.