City vs city
Chehalis vs Seattle, WA
Chehalis currently scores 11 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
Chehalis: 25/100 · Seattle: 14/100
Chehalis is 11 points higher.
Flood
Chehalis: 56/100 · Seattle: 30/100
Chehalis is 26 points higher.
Chehalis: FEMA NFHL flood zones: 20 features intersect this tile.
Seattle: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Chehalis: 6/100 · Seattle: 7/100
Seattle is 1 points higher.
Chehalis: Wind exposure derived from ingested design wind / climatology tiles.
Seattle: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chehalis: 1/100 · Seattle: 1/100
No gap.
Chehalis: Lightning exposure derived from ingested climatology tiles.
Seattle: Lightning exposure derived from ingested climatology tiles.
Tornado
Chehalis: 0/100 · Seattle: 0/100
No gap.
Chehalis: Tornado risk derived from NOAA SPC historical reports.
Seattle: Tornado risk derived from NOAA SPC historical reports.
Hail
Chehalis: 0/100 · Seattle: 0/100
No gap.
Chehalis: Hail risk derived from NOAA SPC historical reports.
Seattle: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chehalis: Unavailable · Seattle: Unavailable
A score difference cannot be calculated without both sources.
Chehalis: Storm surge model is not available for this location yet.
Seattle: Storm surge model is not available for this location yet.
Wildfire
Chehalis: 55/100 · Seattle: 26/100
Chehalis is 29 points higher.
Chehalis: Wildfire exposure derived from ingested fire potential tiles.
Seattle: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Chehalis: 9/100 · Seattle: 8/100
Chehalis is 1 points higher.
Chehalis: 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.