City vs city
Harriman vs Knoxville, TN
Knoxville currently scores 8 points higher overall than Harriman, 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
Harriman: 34/100 · Knoxville: 42/100
Knoxville is 8 points higher.
Flood
Harriman: 38/100 · Knoxville: 29/100
Harriman is 9 points higher.
Harriman: FEMA NFHL flood zones: 8 features intersect this tile.
Knoxville: FEMA NFHL flood zones: 7 features intersect this tile.
Wind
Harriman: 13/100 · Knoxville: 13/100
No gap.
Harriman: Wind exposure derived from ingested design wind / climatology tiles.
Knoxville: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Harriman: 45/100 · Knoxville: 40/100
Harriman is 5 points higher.
Harriman: Lightning exposure derived from ingested climatology tiles.
Knoxville: Lightning exposure derived from ingested climatology tiles.
Tornado
Harriman: 0/100 · Knoxville: 31/100
Knoxville is 31 points higher.
Harriman: Tornado risk derived from NOAA SPC historical reports.
Knoxville: Tornado risk derived from NOAA SPC historical reports.
Hail
Harriman: 32/100 · Knoxville: 100/100
Knoxville is 68 points higher.
Harriman: Hail risk derived from NOAA SPC historical reports.
Knoxville: Hail risk derived from NOAA SPC historical reports.
Storm surge
Harriman: Unavailable · Knoxville: Unavailable
A score difference cannot be calculated without both sources.
Harriman: Storm surge model is not available for this location yet.
Knoxville: Storm surge model is not available for this location yet.
Wildfire
Harriman: 42/100 · Knoxville: 48/100
Knoxville is 6 points higher.
Harriman: Wildfire exposure derived from ingested fire potential tiles.
Knoxville: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Harriman: 33/100 · Knoxville: 33/100
No gap.
Harriman: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Knoxville: Air quality signal derived from the latest EPA AirNow combined AQI grid.