City vs city
Helena Flats vs Martin City, MT
Helena Flats currently scores 4 points higher overall than Martin City, 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 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 Flats: 29/100 · Martin City: 25/100
Helena Flats is 4 points higher.
Flood
Helena Flats: 64/100 · Martin City: 26/100
Helena Flats is 38 points higher.
Helena Flats: FEMA NFHL flood zones: 14 features intersect this tile.
Martin City: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Helena Flats: 14/100 · Martin City: 14/100
No gap.
Helena Flats: Wind exposure derived from ingested design wind / climatology tiles.
Martin City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Helena Flats: 10/100 · Martin City: 11/100
Martin City is 1 points higher.
Helena Flats: Lightning exposure derived from ingested climatology tiles.
Martin City: Lightning exposure derived from ingested climatology tiles.
Tornado
Helena Flats: 0/100 · Martin City: 0/100
No gap.
Helena Flats: Tornado risk derived from NOAA SPC historical reports.
Martin City: Tornado risk derived from NOAA SPC historical reports.
Hail
Helena Flats: 14/100 · Martin City: 8/100
Helena Flats is 6 points higher.
Helena Flats: Hail risk derived from NOAA SPC historical reports.
Martin City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Helena Flats: Unavailable · Martin City: Unavailable
A score difference cannot be calculated without both sources.
Helena Flats: Storm surge model is not available for this location yet.
Martin City: Storm surge model is not available for this location yet.
Wildfire
Helena Flats: 56/100 · Martin City: 74/100
Martin City is 18 points higher.
Helena Flats: Wildfire exposure derived from ingested fire potential tiles.
Martin City: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Helena Flats: 17/100 · Martin City: 17/100
No gap.
Helena Flats: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Martin 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.