City vs city
Big Sky vs Corwin Springs, MT
Corwin Springs currently scores 7 points higher overall than Big Sky, 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
Big Sky: 22/100 · Corwin Springs: 29/100
Corwin Springs is 7 points higher.
Flood
Big Sky: 26/100 · Corwin Springs: 26/100
No gap.
Big Sky: FEMA NFHL flood zones: 3 features intersect this tile.
Corwin Springs: FEMA NFHL flood zones: 1 features intersect this tile.
Wind
Big Sky: 15/100 · Corwin Springs: 15/100
No gap.
Big Sky: Wind exposure derived from ingested design wind / climatology tiles.
Corwin Springs: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Big Sky: 9/100 · Corwin Springs: 9/100
No gap.
Big Sky: Lightning exposure derived from ingested climatology tiles.
Corwin Springs: Lightning exposure derived from ingested climatology tiles.
Tornado
Big Sky: 0/100 · Corwin Springs: 0/100
No gap.
Big Sky: Tornado risk derived from NOAA SPC historical reports.
Corwin Springs: Tornado risk derived from NOAA SPC historical reports.
Hail
Big Sky: 8/100 · Corwin Springs: 0/100
Big Sky is 8 points higher.
Big Sky: Hail risk derived from NOAA SPC historical reports.
Corwin Springs: Hail risk derived from NOAA SPC historical reports.
Storm surge
Big Sky: Unavailable · Corwin Springs: Unavailable
A score difference cannot be calculated without both sources.
Big Sky: Storm surge model is not available for this location yet.
Corwin Springs: Storm surge model is not available for this location yet.
Wildfire
Big Sky: 60/100 · Corwin Springs: 81/100
Corwin Springs is 21 points higher.
Big Sky: Wildfire exposure derived from ingested fire potential tiles.
Corwin Springs: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Big Sky: 14/100 · Corwin Springs: 15/100
Corwin Springs is 1 points higher.
Big Sky: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Corwin Springs: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.