City vs city
Portland vs Walnut Grove, TN
Portland currently scores 2 points higher overall than Walnut Grove, 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
Portland: 37/100 · Walnut Grove: 35/100
Portland is 2 points higher.
Flood
Portland: 28/100 · Walnut Grove: 31/100
Walnut Grove is 3 points higher.
Portland: FEMA NFHL flood zones: 3 features intersect this tile.
Walnut Grove: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Portland: 14/100 · Walnut Grove: 14/100
No gap.
Portland: Wind exposure derived from ingested design wind / climatology tiles.
Walnut Grove: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Portland: 52/100 · Walnut Grove: 51/100
Portland is 1 points higher.
Portland: Lightning exposure derived from ingested climatology tiles.
Walnut Grove: Lightning exposure derived from ingested climatology tiles.
Tornado
Portland: 38/100 · Walnut Grove: 38/100
No gap.
Portland: Tornado risk derived from NOAA SPC historical reports.
Walnut Grove: Tornado risk derived from NOAA SPC historical reports.
Hail
Portland: 64/100 · Walnut Grove: 56/100
Portland is 8 points higher.
Portland: Hail risk derived from NOAA SPC historical reports.
Walnut Grove: Hail risk derived from NOAA SPC historical reports.
Storm surge
Portland: Unavailable · Walnut Grove: Unavailable
A score difference cannot be calculated without both sources.
Portland: Storm surge model is not available for this location yet.
Walnut Grove: Storm surge model is not available for this location yet.
Wildfire
Portland: 26/100 · Walnut Grove: 18/100
Portland is 8 points higher.
Portland: Wildfire exposure derived from ingested fire potential tiles.
Walnut Grove: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Portland: 36/100 · Walnut Grove: 37/100
Walnut Grove is 1 points higher.
Portland: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Walnut Grove: Air quality signal derived from the latest EPA AirNow combined AQI grid.