City vs city
Alder vs Frederickson, WA
Frederickson currently scores 3 points higher overall than Alder, with the largest gap in wildfire.
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
Alder: 14/100 · Frederickson: 17/100
Frederickson is 3 points higher.
Flood
Alder: 20/100 · Frederickson: 23/100
Frederickson is 3 points higher.
Alder: FEMA NFHL flood zones: 6 features intersect this tile.
Frederickson: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Alder: 7/100 · Frederickson: 7/100
No gap.
Alder: Wind exposure derived from ingested design wind / climatology tiles.
Frederickson: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Alder: 1/100 · Frederickson: 2/100
Frederickson is 1 points higher.
Alder: Lightning exposure derived from ingested climatology tiles.
Frederickson: Lightning exposure derived from ingested climatology tiles.
Tornado
Alder: 0/100 · Frederickson: 8/100
Frederickson is 8 points higher.
Alder: Tornado risk derived from NOAA SPC historical reports.
Frederickson: Tornado risk derived from NOAA SPC historical reports.
Hail
Alder: 0/100 · Frederickson: 0/100
No gap.
Alder: Hail risk derived from NOAA SPC historical reports.
Frederickson: Hail risk derived from NOAA SPC historical reports.
Storm surge
Alder: Unavailable · Frederickson: Unavailable
A score difference cannot be calculated without both sources.
Alder: Storm surge model is not available for this location yet.
Frederickson: Storm surge model is not available for this location yet.
Wildfire
Alder: 35/100 · Frederickson: 54/100
Frederickson is 19 points higher.
Alder: Wildfire exposure derived from ingested fire potential tiles.
Frederickson: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Alder: 8/100 · Frederickson: 8/100
No gap.
Alder: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Frederickson: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
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