City vs city
Chehalis vs Ryderwood, WA
Chehalis currently scores 7 points higher overall than Ryderwood, 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
Chehalis: 25/100 · Ryderwood: 18/100
Chehalis is 7 points higher.
Flood
Chehalis: 56/100 · Ryderwood: 19/100
Chehalis is 37 points higher.
Chehalis: FEMA NFHL flood zones: 20 features intersect this tile.
Ryderwood: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Chehalis: 6/100 · Ryderwood: 6/100
No gap.
Chehalis: Wind exposure derived from ingested design wind / climatology tiles.
Ryderwood: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chehalis: 1/100 · Ryderwood: 1/100
No gap.
Chehalis: Lightning exposure derived from ingested climatology tiles.
Ryderwood: Lightning exposure derived from ingested climatology tiles.
Tornado
Chehalis: 0/100 · Ryderwood: 0/100
No gap.
Chehalis: Tornado risk derived from NOAA SPC historical reports.
Ryderwood: Tornado risk derived from NOAA SPC historical reports.
Hail
Chehalis: 0/100 · Ryderwood: 0/100
No gap.
Chehalis: Hail risk derived from NOAA SPC historical reports.
Ryderwood: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chehalis: Unavailable · Ryderwood: Unavailable
A score difference cannot be calculated without both sources.
Chehalis: Storm surge model is not available for this location yet.
Ryderwood: Storm surge model is not available for this location yet.
Wildfire
Chehalis: 55/100 · Ryderwood: 55/100
No gap.
Chehalis: Wildfire exposure derived from ingested fire potential tiles.
Ryderwood: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Chehalis: 9/100 · Ryderwood: 8/100
Chehalis is 1 points higher.
Chehalis: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Ryderwood: Air quality signal derived from the latest EPA AirNow combined AQI grid.