City vs city
Mercer Island vs Yarrow Point, WA
Mercer Island and Yarrow Point are tied on overall score, with the biggest factor difference in tornado.
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 uses an ingested EPA AirNow snapshot and may not reflect current conditions; 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
Mercer Island: 8/100 · Yarrow Point: 8/100
No gap.
Flood
Mercer Island: 22/100 · Yarrow Point: 20/100
Mercer Island is 2 points higher.
Mercer Island: FEMA NFHL flood zones: 2 features intersect this tile.
Yarrow Point: FEMA NFHL flood zones: 1 features intersect this tile.
Wind
Mercer Island: 7/100 · Yarrow Point: 7/100
No gap.
Mercer Island: Wind exposure derived from ingested design wind / climatology tiles.
Yarrow Point: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Mercer Island: 1/100 · Yarrow Point: 1/100
No gap.
Mercer Island: Lightning exposure derived from ingested climatology tiles.
Yarrow Point: Lightning exposure derived from ingested climatology tiles.
Tornado
Mercer Island: 8/100 · Yarrow Point: 0/100
Mercer Island is 8 points higher.
Mercer Island: Tornado risk derived from NOAA SPC historical reports.
Yarrow Point: Tornado risk derived from NOAA SPC historical reports.
Hail
Mercer Island: 1/100 · Yarrow Point: 1/100
No gap.
Mercer Island: Hail risk derived from NOAA SPC historical reports.
Yarrow Point: Hail risk derived from NOAA SPC historical reports.
Storm surge
Mercer Island: Unavailable · Yarrow Point: Unavailable
A score difference cannot be calculated without both sources.
Mercer Island: Storm surge model is not available for this location yet.
Yarrow Point: Storm surge model is not available for this location yet.
Wildfire
Mercer Island: 8/100 · Yarrow Point: 8/100
No gap.
Mercer Island: Wildfire exposure derived from ingested fire potential tiles.
Yarrow Point: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Mercer Island: 9/100 · Yarrow Point: 8/100
Mercer Island is 1 points higher.
Mercer Island: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Yarrow Point: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.