City vs city
Bonanza vs Gresham, OR
Bonanza currently scores 12 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 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
Bonanza: 19/100 · Gresham: 7/100
Bonanza is 12 points higher.
Flood
Bonanza: 35/100 · Gresham: 10/100
Bonanza is 25 points higher.
Bonanza: FEMA NFHL flood zones: 4 features intersect this tile.
Gresham: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Bonanza: 6/100 · Gresham: 6/100
No gap.
Bonanza: Wind exposure derived from ingested design wind / climatology tiles.
Gresham: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Bonanza: 2/100 · Gresham: 1/100
Bonanza is 1 points higher.
Bonanza: Lightning exposure derived from ingested climatology tiles.
Gresham: Lightning exposure derived from ingested climatology tiles.
Tornado
Bonanza: 0/100 · Gresham: 4/100
Gresham is 4 points higher.
Bonanza: Tornado risk derived from NOAA SPC historical reports.
Gresham: Tornado risk derived from NOAA SPC historical reports.
Hail
Bonanza: 1/100 · Gresham: 3/100
Gresham is 2 points higher.
Bonanza: Hail risk derived from NOAA SPC historical reports.
Gresham: Hail risk derived from NOAA SPC historical reports.
Storm surge
Bonanza: Unavailable · Gresham: Unavailable
A score difference cannot be calculated without both sources.
Bonanza: Storm surge model is not available for this location yet.
Gresham: Storm surge model is not available for this location yet.
Wildfire
Bonanza: 56/100 · Gresham: 15/100
Bonanza is 41 points higher.
Bonanza: Wildfire exposure derived from ingested fire potential tiles.
Gresham: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Bonanza: 14/100 · Gresham: 11/100
Bonanza is 3 points higher.
Bonanza: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Gresham: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.