City vs city
Memphis vs Signal Mountain, TN
Memphis currently scores 15 points higher overall than Signal Mountain, with the largest gap in tornado.
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
Memphis: 51/100 · Signal Mountain: 36/100
Memphis is 15 points higher.
Flood
Memphis: 38/100 · Signal Mountain: 32/100
Memphis is 6 points higher.
Memphis: FEMA NFHL flood zones: 8 features intersect this tile.
Signal Mountain: FEMA NFHL flood zones: 9 features intersect this tile.
Wind
Memphis: 14/100 · Signal Mountain: 14/100
No gap.
Memphis: Wind exposure derived from ingested design wind / climatology tiles.
Signal Mountain: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Memphis: 62/100 · Signal Mountain: 50/100
Memphis is 12 points higher.
Memphis: Lightning exposure derived from ingested climatology tiles.
Signal Mountain: Lightning exposure derived from ingested climatology tiles.
Tornado
Memphis: 81/100 · Signal Mountain: 8/100
Memphis is 73 points higher.
Memphis: Tornado risk derived from NOAA SPC historical reports.
Signal Mountain: Tornado risk derived from NOAA SPC historical reports.
Hail
Memphis: 90/100 · Signal Mountain: 38/100
Memphis is 52 points higher.
Memphis: Hail risk derived from NOAA SPC historical reports.
Signal Mountain: Hail risk derived from NOAA SPC historical reports.
Storm surge
Memphis: Unavailable · Signal Mountain: Unavailable
A score difference cannot be calculated without both sources.
Memphis: Storm surge model is not available for this location yet.
Signal Mountain: Storm surge model is not available for this location yet.
Wildfire
Memphis: 44/100 · Signal Mountain: 71/100
Signal Mountain is 27 points higher.
Memphis: Wildfire exposure derived from ingested fire potential tiles.
Signal Mountain: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Memphis: 26/100 · Signal Mountain: 36/100
Signal Mountain is 10 points higher.
Memphis: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Signal Mountain: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.