City vs city
Charlos Heights vs Helena, MT
Helena currently scores 7 points higher overall than Charlos Heights, 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
Charlos Heights: 27/100 · Helena: 34/100
Helena is 7 points higher.
Flood
Charlos Heights: 37/100 · Helena: 17/100
Charlos Heights is 20 points higher.
Charlos Heights: FEMA NFHL flood zones: 8 features intersect this tile.
Helena: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Charlos Heights: 14/100 · Helena: 15/100
Helena is 1 points higher.
Charlos Heights: Wind exposure derived from ingested design wind / climatology tiles.
Helena: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Charlos Heights: 7/100 · Helena: 9/100
Helena is 2 points higher.
Charlos Heights: Lightning exposure derived from ingested climatology tiles.
Helena: Lightning exposure derived from ingested climatology tiles.
Tornado
Charlos Heights: 0/100 · Helena: 4/100
Helena is 4 points higher.
Charlos Heights: Tornado risk derived from NOAA SPC historical reports.
Helena: Tornado risk derived from NOAA SPC historical reports.
Hail
Charlos Heights: 12/100 · Helena: 100/100
Helena is 88 points higher.
Charlos Heights: Hail risk derived from NOAA SPC historical reports.
Helena: Hail risk derived from NOAA SPC historical reports.
Storm surge
Charlos Heights: Unavailable · Helena: Unavailable
A score difference cannot be calculated without both sources.
Charlos Heights: Storm surge model is not available for this location yet.
Helena: Storm surge model is not available for this location yet.
Wildfire
Charlos Heights: 81/100 · Helena: 77/100
Charlos Heights is 4 points higher.
Charlos Heights: Wildfire exposure derived from ingested fire potential tiles.
Helena: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Charlos Heights: 10/100 · Helena: 13/100
Helena is 3 points higher.
Charlos Heights: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Helena: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.