City vs city
Graball vs Portland, TN
Portland currently scores 7 points higher overall than Graball, 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
Graball: 30/100 · Portland: 37/100
Portland is 7 points higher.
Flood
Graball: 28/100 · Portland: 28/100
No gap.
Graball: FEMA NFHL flood zones: 2 features intersect this tile.
Portland: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Graball: 14/100 · Portland: 14/100
No gap.
Graball: Wind exposure derived from ingested design wind / climatology tiles.
Portland: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Graball: 49/100 · Portland: 52/100
Portland is 3 points higher.
Graball: Lightning exposure derived from ingested climatology tiles.
Portland: Lightning exposure derived from ingested climatology tiles.
Tornado
Graball: 35/100 · Portland: 38/100
Portland is 3 points higher.
Graball: Tornado risk derived from NOAA SPC historical reports.
Portland: Tornado risk derived from NOAA SPC historical reports.
Hail
Graball: 29/100 · Portland: 64/100
Portland is 35 points higher.
Graball: Hail risk derived from NOAA SPC historical reports.
Portland: Hail risk derived from NOAA SPC historical reports.
Storm surge
Graball: Unavailable · Portland: Unavailable
A score difference cannot be calculated without both sources.
Graball: Storm surge model is not available for this location yet.
Portland: Storm surge model is not available for this location yet.
Wildfire
Graball: 21/100 · Portland: 26/100
Portland is 5 points higher.
Graball: Wildfire exposure derived from ingested fire potential tiles.
Portland: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Graball: 36/100 · Portland: 36/100
No gap.
Graball: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Portland: Air quality signal derived from the latest EPA AirNow combined AQI grid.