City vs city
Grand Mound vs Olympia, WA
Grand Mound currently scores 3 points higher overall than Olympia, 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
Grand Mound: 21/100 · Olympia: 18/100
Grand Mound is 3 points higher.
Flood
Grand Mound: 28/100 · Olympia: 25/100
Grand Mound is 3 points higher.
Grand Mound: FEMA NFHL flood zones: 10 features intersect this tile.
Olympia: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Grand Mound: 6/100 · Olympia: 6/100
No gap.
Grand Mound: Wind exposure derived from ingested design wind / climatology tiles.
Olympia: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Grand Mound: 1/100 · Olympia: 2/100
Olympia is 1 points higher.
Grand Mound: Lightning exposure derived from ingested climatology tiles.
Olympia: Lightning exposure derived from ingested climatology tiles.
Tornado
Grand Mound: 0/100 · Olympia: 0/100
No gap.
Grand Mound: Tornado risk derived from NOAA SPC historical reports.
Olympia: Tornado risk derived from NOAA SPC historical reports.
Hail
Grand Mound: 0/100 · Olympia: 3/100
Olympia is 3 points higher.
Grand Mound: Hail risk derived from NOAA SPC historical reports.
Olympia: Hail risk derived from NOAA SPC historical reports.
Storm surge
Grand Mound: Unavailable · Olympia: Unavailable
A score difference cannot be calculated without both sources.
Grand Mound: Storm surge model is not available for this location yet.
Olympia: Storm surge model is not available for this location yet.
Wildfire
Grand Mound: 60/100 · Olympia: 60/100
No gap.
Grand Mound: Wildfire exposure derived from ingested fire potential tiles.
Olympia: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Grand Mound: 9/100 · Olympia: 9/100
No gap.
Grand Mound: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Olympia: Air quality signal derived from the latest EPA AirNow combined AQI grid.