City vs city
Birch Bay vs Seattle, WA
Birch Bay currently scores 3 points higher overall than Seattle, 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
Birch Bay: 17/100 · Seattle: 14/100
Birch Bay is 3 points higher.
Flood
Birch Bay: 33/100 · Seattle: 30/100
Birch Bay is 3 points higher.
Birch Bay: FEMA NFHL flood zones: 9 features intersect this tile.
Seattle: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Birch Bay: 7/100 · Seattle: 7/100
No gap.
Birch Bay: Wind exposure derived from ingested design wind / climatology tiles.
Seattle: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Birch Bay: 1/100 · Seattle: 1/100
No gap.
Birch Bay: Lightning exposure derived from ingested climatology tiles.
Seattle: Lightning exposure derived from ingested climatology tiles.
Tornado
Birch Bay: 0/100 · Seattle: 0/100
No gap.
Birch Bay: Tornado risk derived from NOAA SPC historical reports.
Seattle: Tornado risk derived from NOAA SPC historical reports.
Hail
Birch Bay: 0/100 · Seattle: 0/100
No gap.
Birch Bay: Hail risk derived from NOAA SPC historical reports.
Seattle: Hail risk derived from NOAA SPC historical reports.
Storm surge
Birch Bay: Unavailable · Seattle: Unavailable
A score difference cannot be calculated without both sources.
Birch Bay: Storm surge model is not available for this location yet.
Seattle: Storm surge model is not available for this location yet.
Wildfire
Birch Bay: 31/100 · Seattle: 26/100
Birch Bay is 5 points higher.
Birch Bay: Wildfire exposure derived from ingested fire potential tiles.
Seattle: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Birch Bay: 11/100 · Seattle: 8/100
Birch Bay is 3 points higher.
Birch Bay: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Seattle: Air quality signal derived from the latest EPA AirNow combined AQI grid.