City vs city
Chehalis vs Tumwater, WA
Chehalis currently scores 8 points higher overall than Tumwater, 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 · Tumwater: 17/100
Chehalis is 8 points higher.
Flood
Chehalis: 56/100 · Tumwater: 25/100
Chehalis is 31 points higher.
Chehalis: FEMA NFHL flood zones: 20 features intersect this tile.
Tumwater: FEMA NFHL flood zones: 7 features intersect this tile.
Wind
Chehalis: 6/100 · Tumwater: 6/100
No gap.
Chehalis: Wind exposure derived from ingested design wind / climatology tiles.
Tumwater: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chehalis: 1/100 · Tumwater: 2/100
Tumwater is 1 points higher.
Chehalis: Lightning exposure derived from ingested climatology tiles.
Tumwater: Lightning exposure derived from ingested climatology tiles.
Tornado
Chehalis: 0/100 · Tumwater: 0/100
No gap.
Chehalis: Tornado risk derived from NOAA SPC historical reports.
Tumwater: Tornado risk derived from NOAA SPC historical reports.
Hail
Chehalis: 0/100 · Tumwater: 1/100
Tumwater is 1 points higher.
Chehalis: Hail risk derived from NOAA SPC historical reports.
Tumwater: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chehalis: Unavailable · Tumwater: Unavailable
A score difference cannot be calculated without both sources.
Chehalis: Storm surge model is not available for this location yet.
Tumwater: Storm surge model is not available for this location yet.
Wildfire
Chehalis: 55/100 · Tumwater: 61/100
Tumwater is 6 points higher.
Chehalis: Wildfire exposure derived from ingested fire potential tiles.
Tumwater: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Chehalis: 9/100 · Tumwater: 9/100
No gap.
Chehalis: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Tumwater: Air quality signal derived from the latest EPA AirNow combined AQI grid.