City vs city
Gresham vs Halfway, OR
Halfway currently scores 8 points higher overall than Gresham, with the largest gap in wildfire.
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
Gresham: 7/100 · Halfway: 15/100
Halfway is 8 points higher.
Flood
Gresham: 10/100 · Halfway: 0/100
Gresham is 10 points higher.
Gresham: FEMA NFHL flood zones: 3 features intersect this tile.
Halfway: FEMA NFHL flood zones: 0 features intersect this tile.
Wind
Gresham: 6/100 · Halfway: 11/100
Halfway is 5 points higher.
Gresham: Wind exposure derived from ingested design wind / climatology tiles.
Halfway: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Gresham: 1/100 · Halfway: 9/100
Halfway is 8 points higher.
Gresham: Lightning exposure derived from ingested climatology tiles.
Halfway: Lightning exposure derived from ingested climatology tiles.
Tornado
Gresham: 4/100 · Halfway: 0/100
Gresham is 4 points higher.
Gresham: Tornado risk derived from NOAA SPC historical reports.
Halfway: Tornado risk derived from NOAA SPC historical reports.
Hail
Gresham: 3/100 · Halfway: 1/100
Gresham is 2 points higher.
Gresham: Hail risk derived from NOAA SPC historical reports.
Halfway: Hail risk derived from NOAA SPC historical reports.
Storm surge
Gresham: Unavailable · Halfway: Unavailable
A score difference cannot be calculated without both sources.
Gresham: Storm surge model is not available for this location yet.
Halfway: Storm surge model is not available for this location yet.
Wildfire
Gresham: 15/100 · Halfway: 55/100
Halfway is 40 points higher.
Gresham: Wildfire exposure derived from ingested fire potential tiles.
Halfway: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Gresham: 11/100 · Halfway: 14/100
Halfway is 3 points higher.
Gresham: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Halfway: Air quality signal derived from the latest EPA AirNow combined AQI grid.