City vs city
Portland vs West Slope, OR
West Slope currently scores 17 points higher overall than Portland, with the largest gap 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 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: 11/100 · West Slope: 28/100
West Slope is 17 points higher.
Flood
Portland: 0/100 · West Slope: 100/100
West Slope is 100 points higher.
Portland: FEMA NFHL flood zones: 0 features intersect this tile.
West Slope: FEMA NFHL flood zones: 39 features intersect this tile.
Wind
Portland: 6/100 · West Slope: 6/100
No gap.
Portland: Wind exposure derived from ingested design wind / climatology tiles.
West Slope: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Portland: 1/100 · West Slope: 1/100
No gap.
Portland: Lightning exposure derived from ingested climatology tiles.
West Slope: Lightning exposure derived from ingested climatology tiles.
Tornado
Portland: 8/100 · West Slope: 0/100
Portland is 8 points higher.
Portland: Tornado risk derived from NOAA SPC historical reports.
West Slope: Tornado risk derived from NOAA SPC historical reports.
Hail
Portland: 3/100 · West Slope: 1/100
Portland is 2 points higher.
Portland: Hail risk derived from NOAA SPC historical reports.
West Slope: Hail risk derived from NOAA SPC historical reports.
Storm surge
Portland: Unavailable · West Slope: Unavailable
A score difference cannot be calculated without both sources.
Portland: Storm surge model is not available for this location yet.
West Slope: Storm surge model is not available for this location yet.
Wildfire
Portland: 51/100 · West Slope: 48/100
Portland is 3 points higher.
Portland: Wildfire exposure derived from ingested fire potential tiles.
West Slope: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Portland: 8/100 · West Slope: 11/100
West Slope is 3 points higher.
Portland: Air quality signal derived from the latest EPA AirNow combined AQI grid.
West Slope: Air quality signal derived from the latest EPA AirNow combined AQI grid.