City vs city
Harrison vs Middle Valley, TN
Harrison and Middle Valley are tied on overall score, with the biggest factor difference 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 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
Harrison: 46/100 · Middle Valley: 46/100
No gap.
Flood
Harrison: 54/100 · Middle Valley: 54/100
No gap.
Harrison: FEMA NFHL flood zones: 4 features intersect this tile.
Middle Valley: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Harrison: 13/100 · Middle Valley: 13/100
No gap.
Harrison: Wind exposure derived from ingested design wind / climatology tiles.
Middle Valley: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Harrison: 50/100 · Middle Valley: 50/100
No gap.
Harrison: Lightning exposure derived from ingested climatology tiles.
Middle Valley: Lightning exposure derived from ingested climatology tiles.
Tornado
Harrison: 50/100 · Middle Valley: 50/100
No gap.
Harrison: Tornado risk derived from NOAA SPC historical reports.
Middle Valley: Tornado risk derived from NOAA SPC historical reports.
Hail
Harrison: 50/100 · Middle Valley: 50/100
No gap.
Harrison: Hail risk derived from NOAA SPC historical reports.
Middle Valley: Hail risk derived from NOAA SPC historical reports.
Storm surge
Harrison: Unavailable · Middle Valley: Unavailable
A score difference cannot be calculated without both sources.
Harrison: Storm surge model is not available for this location yet.
Middle Valley: Storm surge model is not available for this location yet.
Wildfire
Harrison: 67/100 · Middle Valley: 67/100
No gap.
Harrison: Wildfire exposure derived from ingested fire potential tiles.
Middle Valley: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Harrison: 36/100 · Middle Valley: 36/100
No gap.
Harrison: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Middle Valley: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.