City vs city
Centralia vs Grand Mound, WA
Grand Mound currently scores 4 points higher overall than Centralia, 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
Centralia: 17/100 · Grand Mound: 21/100
Grand Mound is 4 points higher.
Flood
Centralia: 24/100 · Grand Mound: 28/100
Grand Mound is 4 points higher.
Centralia: FEMA NFHL flood zones: 11 features intersect this tile.
Grand Mound: FEMA NFHL flood zones: 10 features intersect this tile.
Wind
Centralia: 6/100 · Grand Mound: 6/100
No gap.
Centralia: Wind exposure derived from ingested design wind / climatology tiles.
Grand Mound: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Centralia: 1/100 · Grand Mound: 1/100
No gap.
Centralia: Lightning exposure derived from ingested climatology tiles.
Grand Mound: Lightning exposure derived from ingested climatology tiles.
Tornado
Centralia: 4/100 · Grand Mound: 0/100
Centralia is 4 points higher.
Centralia: Tornado risk derived from NOAA SPC historical reports.
Grand Mound: Tornado risk derived from NOAA SPC historical reports.
Hail
Centralia: 0/100 · Grand Mound: 0/100
No gap.
Centralia: Hail risk derived from NOAA SPC historical reports.
Grand Mound: Hail risk derived from NOAA SPC historical reports.
Storm surge
Centralia: Unavailable · Grand Mound: Unavailable
A score difference cannot be calculated without both sources.
Centralia: Storm surge model is not available for this location yet.
Grand Mound: Storm surge model is not available for this location yet.
Wildfire
Centralia: 57/100 · Grand Mound: 60/100
Grand Mound is 3 points higher.
Centralia: Wildfire exposure derived from ingested fire potential tiles.
Grand Mound: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Centralia: 9/100 · Grand Mound: 9/100
No gap.
Centralia: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Grand Mound: Air quality signal derived from the latest EPA AirNow combined AQI grid.