City vs city
Centerville vs Great Falls, MT
Great Falls currently scores 8 points higher overall than Centerville, with the largest gap in hail.
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
Centerville: 24/100 · Great Falls: 32/100
Great Falls is 8 points higher.
Flood
Centerville: 26/100 · Great Falls: 30/100
Great Falls is 4 points higher.
Centerville: FEMA NFHL flood zones: 2 features intersect this tile.
Great Falls: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Centerville: 16/100 · Great Falls: 16/100
No gap.
Centerville: Wind exposure derived from ingested design wind / climatology tiles.
Great Falls: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Centerville: 14/100 · Great Falls: 11/100
Centerville is 3 points higher.
Centerville: Lightning exposure derived from ingested climatology tiles.
Great Falls: Lightning exposure derived from ingested climatology tiles.
Tornado
Centerville: 0/100 · Great Falls: 8/100
Great Falls is 8 points higher.
Centerville: Tornado risk derived from NOAA SPC historical reports.
Great Falls: Tornado risk derived from NOAA SPC historical reports.
Hail
Centerville: 27/100 · Great Falls: 100/100
Great Falls is 73 points higher.
Centerville: Hail risk derived from NOAA SPC historical reports.
Great Falls: Hail risk derived from NOAA SPC historical reports.
Storm surge
Centerville: Unavailable · Great Falls: Unavailable
A score difference cannot be calculated without both sources.
Centerville: Storm surge model is not available for this location yet.
Great Falls: Storm surge model is not available for this location yet.
Wildfire
Centerville: 31/100 · Great Falls: 33/100
Great Falls is 2 points higher.
Centerville: Wildfire exposure derived from ingested fire potential tiles.
Great Falls: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Centerville: 29/100 · Great Falls: 29/100
No gap.
Centerville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Great Falls: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.