City vs city
McChord AFB vs Spanaway, WA
McChord AFB currently scores 2 points higher overall than Spanaway, 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
McChord AFB: 19/100 · Spanaway: 17/100
McChord AFB is 2 points higher.
Flood
McChord AFB: 25/100 · Spanaway: 23/100
McChord AFB is 2 points higher.
McChord AFB: FEMA NFHL flood zones: 6 features intersect this tile.
Spanaway: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
McChord AFB: 7/100 · Spanaway: 7/100
No gap.
McChord AFB: Wind exposure derived from ingested design wind / climatology tiles.
Spanaway: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
McChord AFB: 2/100 · Spanaway: 2/100
No gap.
McChord AFB: Lightning exposure derived from ingested climatology tiles.
Spanaway: Lightning exposure derived from ingested climatology tiles.
Tornado
McChord AFB: 0/100 · Spanaway: 0/100
No gap.
McChord AFB: Tornado risk derived from NOAA SPC historical reports.
Spanaway: Tornado risk derived from NOAA SPC historical reports.
Hail
McChord AFB: 0/100 · Spanaway: 2/100
Spanaway is 2 points higher.
McChord AFB: Hail risk derived from NOAA SPC historical reports.
Spanaway: Hail risk derived from NOAA SPC historical reports.
Storm surge
McChord AFB: Unavailable · Spanaway: Unavailable
A score difference cannot be calculated without both sources.
McChord AFB: Storm surge model is not available for this location yet.
Spanaway: Storm surge model is not available for this location yet.
Wildfire
McChord AFB: 52/100 · Spanaway: 56/100
Spanaway is 4 points higher.
McChord AFB: Wildfire exposure derived from ingested fire potential tiles.
Spanaway: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
McChord AFB: 8/100 · Spanaway: 9/100
Spanaway is 1 points higher.
McChord AFB: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Spanaway: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.