City vs city
Butte vs Helena Flats, MT
Helena Flats currently scores 8 points higher overall than Butte, with the largest gap in flood.
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
Butte: 21/100 · Helena Flats: 29/100
Helena Flats is 8 points higher.
Flood
Butte: 28/100 · Helena Flats: 64/100
Helena Flats is 36 points higher.
Butte: FEMA NFHL flood zones: 4 features intersect this tile.
Helena Flats: FEMA NFHL flood zones: 14 features intersect this tile.
Wind
Butte: 14/100 · Helena Flats: 14/100
No gap.
Butte: Wind exposure derived from ingested design wind / climatology tiles.
Helena Flats: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Butte: 7/100 · Helena Flats: 10/100
Helena Flats is 3 points higher.
Butte: Lightning exposure derived from ingested climatology tiles.
Helena Flats: Lightning exposure derived from ingested climatology tiles.
Tornado
Butte: 0/100 · Helena Flats: 0/100
No gap.
Butte: Tornado risk derived from NOAA SPC historical reports.
Helena Flats: Tornado risk derived from NOAA SPC historical reports.
Hail
Butte: 5/100 · Helena Flats: 14/100
Helena Flats is 9 points higher.
Butte: Hail risk derived from NOAA SPC historical reports.
Helena Flats: Hail risk derived from NOAA SPC historical reports.
Storm surge
Butte: Unavailable · Helena Flats: Unavailable
A score difference cannot be calculated without both sources.
Butte: Storm surge model is not available for this location yet.
Helena Flats: Storm surge model is not available for this location yet.
Wildfire
Butte: 56/100 · Helena Flats: 56/100
No gap.
Butte: Wildfire exposure derived from ingested fire potential tiles.
Helena Flats: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Butte: 17/100 · Helena Flats: 17/100
No gap.
Butte: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Helena Flats: Air quality signal derived from the latest EPA AirNow combined AQI grid.