City vs city
Brockton vs Sidney, MT
Sidney currently scores 5 points higher overall than Brockton, 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
Brockton: 33/100 · Sidney: 38/100
Sidney is 5 points higher.
Flood
Brockton: 44/100 · Sidney: 33/100
Brockton is 11 points higher.
Brockton: FEMA NFHL flood zones: 7 features intersect this tile.
Sidney: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Brockton: 18/100 · Sidney: 18/100
No gap.
Brockton: Wind exposure derived from ingested design wind / climatology tiles.
Sidney: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Brockton: 21/100 · Sidney: 17/100
Brockton is 4 points higher.
Brockton: Lightning exposure derived from ingested climatology tiles.
Sidney: Lightning exposure derived from ingested climatology tiles.
Tornado
Brockton: 0/100 · Sidney: 0/100
No gap.
Brockton: Tornado risk derived from NOAA SPC historical reports.
Sidney: Tornado risk derived from NOAA SPC historical reports.
Hail
Brockton: 23/100 · Sidney: 100/100
Sidney is 77 points higher.
Brockton: Hail risk derived from NOAA SPC historical reports.
Sidney: Hail risk derived from NOAA SPC historical reports.
Storm surge
Brockton: Unavailable · Sidney: Unavailable
A score difference cannot be calculated without both sources.
Brockton: Storm surge model is not available for this location yet.
Sidney: Storm surge model is not available for this location yet.
Wildfire
Brockton: 58/100 · Sidney: 34/100
Brockton is 24 points higher.
Brockton: Wildfire exposure derived from ingested fire potential tiles.
Sidney: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Brockton: Unavailable · Sidney: 24/100
A score difference cannot be calculated without both sources.
Brockton: Air quality model is not available for this location yet.
Sidney: Air quality signal derived from the latest EPA AirNow combined AQI grid.