City vs city
Helena vs Kerr, MT
Helena currently scores 9 points higher overall than Kerr, 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 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
Helena: 34/100 · Kerr: 25/100
Helena is 9 points higher.
Flood
Helena: 17/100 · Kerr: 46/100
Kerr is 29 points higher.
Helena: FEMA NFHL flood zones: 4 features intersect this tile.
Kerr: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Helena: 15/100 · Kerr: 14/100
Helena is 1 points higher.
Helena: Wind exposure derived from ingested design wind / climatology tiles.
Kerr: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Helena: 9/100 · Kerr: 16/100
Kerr is 7 points higher.
Helena: Lightning exposure derived from ingested climatology tiles.
Kerr: Lightning exposure derived from ingested climatology tiles.
Tornado
Helena: 4/100 · Kerr: 0/100
Helena is 4 points higher.
Helena: Tornado risk derived from NOAA SPC historical reports.
Kerr: Tornado risk derived from NOAA SPC historical reports.
Hail
Helena: 100/100 · Kerr: 6/100
Helena is 94 points higher.
Helena: Hail risk derived from NOAA SPC historical reports.
Kerr: Hail risk derived from NOAA SPC historical reports.
Storm surge
Helena: Unavailable · Kerr: Unavailable
A score difference cannot be calculated without both sources.
Helena: Storm surge model is not available for this location yet.
Kerr: Storm surge model is not available for this location yet.
Wildfire
Helena: 77/100 · Kerr: 56/100
Helena is 21 points higher.
Helena: Wildfire exposure derived from ingested fire potential tiles.
Kerr: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Helena: 13/100 · Kerr: 14/100
Kerr is 1 points higher.
Helena: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Kerr: Air quality signal derived from the latest EPA AirNow combined AQI grid.