City vs city
Irwin vs Nampa, ID
Irwin currently scores 2 points higher overall than Nampa, 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 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
Irwin: 19/100 · Nampa: 17/100
Irwin is 2 points higher.
Flood
Irwin: Unavailable · Nampa: 23/100
A score difference cannot be calculated without both sources.
Irwin: Flood model is not available for this location yet.
Nampa: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Irwin: 14/100 · Nampa: 11/100
Irwin is 3 points higher.
Irwin: Wind exposure derived from ingested design wind / climatology tiles.
Nampa: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Irwin: 13/100 · Nampa: 7/100
Irwin is 6 points higher.
Irwin: Lightning exposure derived from ingested climatology tiles.
Nampa: Lightning exposure derived from ingested climatology tiles.
Tornado
Irwin: 0/100 · Nampa: 8/100
Nampa is 8 points higher.
Irwin: Tornado risk derived from NOAA SPC historical reports.
Nampa: Tornado risk derived from NOAA SPC historical reports.
Hail
Irwin: 13/100 · Nampa: 20/100
Nampa is 7 points higher.
Irwin: Hail risk derived from NOAA SPC historical reports.
Nampa: Hail risk derived from NOAA SPC historical reports.
Storm surge
Irwin: Unavailable · Nampa: Unavailable
A score difference cannot be calculated without both sources.
Irwin: Storm surge model is not available for this location yet.
Nampa: Storm surge model is not available for this location yet.
Wildfire
Irwin: 58/100 · Nampa: 42/100
Irwin is 16 points higher.
Irwin: Wildfire exposure derived from ingested fire potential tiles.
Nampa: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Irwin: 14/100 · Nampa: 11/100
Irwin is 3 points higher.
Irwin: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Nampa: Air quality signal derived from the latest EPA AirNow combined AQI grid.