City vs city
Fort Lewis vs North Yelm, WA
North Yelm currently scores 3 points higher overall than Fort Lewis, 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
Fort Lewis: 15/100 · North Yelm: 18/100
North Yelm is 3 points higher.
Flood
Fort Lewis: 22/100 · North Yelm: 26/100
North Yelm is 4 points higher.
Fort Lewis: FEMA NFHL flood zones: 5 features intersect this tile.
North Yelm: FEMA NFHL flood zones: 10 features intersect this tile.
Wind
Fort Lewis: 7/100 · North Yelm: 6/100
Fort Lewis is 1 points higher.
Fort Lewis: Wind exposure derived from ingested design wind / climatology tiles.
North Yelm: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Fort Lewis: 2/100 · North Yelm: 2/100
No gap.
Fort Lewis: Lightning exposure derived from ingested climatology tiles.
North Yelm: Lightning exposure derived from ingested climatology tiles.
Tornado
Fort Lewis: 4/100 · North Yelm: 0/100
Fort Lewis is 4 points higher.
Fort Lewis: Tornado risk derived from NOAA SPC historical reports.
North Yelm: Tornado risk derived from NOAA SPC historical reports.
Hail
Fort Lewis: 2/100 · North Yelm: 2/100
No gap.
Fort Lewis: Hail risk derived from NOAA SPC historical reports.
North Yelm: Hail risk derived from NOAA SPC historical reports.
Storm surge
Fort Lewis: Unavailable · North Yelm: Unavailable
A score difference cannot be calculated without both sources.
Fort Lewis: Storm surge model is not available for this location yet.
North Yelm: Storm surge model is not available for this location yet.
Wildfire
Fort Lewis: 56/100 · North Yelm: 62/100
North Yelm is 6 points higher.
Fort Lewis: Wildfire exposure derived from ingested fire potential tiles.
North Yelm: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Fort Lewis: 9/100 · North Yelm: 9/100
No gap.
Fort Lewis: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
North Yelm: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.