City vs city
Helena vs Jefferson City, MT
Helena currently scores 15 points higher overall than Jefferson City, 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
Helena: 34/100 · Jefferson City: 19/100
Helena is 15 points higher.
Flood
Helena: 17/100 · Jefferson City: Unavailable
A score difference cannot be calculated without both sources.
Helena: FEMA NFHL flood zones: 4 features intersect this tile.
Jefferson City: Flood model is not available for this location yet.
Wind
Helena: 15/100 · Jefferson City: 15/100
No gap.
Helena: Wind exposure derived from ingested design wind / climatology tiles.
Jefferson City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Helena: 9/100 · Jefferson City: 9/100
No gap.
Helena: Lightning exposure derived from ingested climatology tiles.
Jefferson City: Lightning exposure derived from ingested climatology tiles.
Tornado
Helena: 4/100 · Jefferson City: 0/100
Helena is 4 points higher.
Helena: Tornado risk derived from NOAA SPC historical reports.
Jefferson City: Tornado risk derived from NOAA SPC historical reports.
Hail
Helena: 100/100 · Jefferson City: 12/100
Helena is 88 points higher.
Helena: Hail risk derived from NOAA SPC historical reports.
Jefferson City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Helena: Unavailable · Jefferson City: Unavailable
A score difference cannot be calculated without both sources.
Helena: Storm surge model is not available for this location yet.
Jefferson City: Storm surge model is not available for this location yet.
Wildfire
Helena: 77/100 · Jefferson City: 63/100
Helena is 14 points higher.
Helena: Wildfire exposure derived from ingested fire potential tiles.
Jefferson City: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Helena: 13/100 · Jefferson City: 13/100
No gap.
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.
Jefferson City: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.