City vs city
Chester vs Rocky Boy West, MT
Chester currently scores 3 points higher overall than Rocky Boy West, 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
Chester: 20/100 · Rocky Boy West: 17/100
Chester is 3 points higher.
Flood
Chester: Unavailable · Rocky Boy West: Unavailable
A score difference cannot be calculated without both sources.
Chester: Flood model is not available for this location yet.
Rocky Boy West: Flood model is not available for this location yet.
Wind
Chester: 16/100 · Rocky Boy West: 16/100
No gap.
Chester: Wind exposure derived from ingested design wind / climatology tiles.
Rocky Boy West: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chester: 10/100 · Rocky Boy West: 12/100
Rocky Boy West is 2 points higher.
Chester: Lightning exposure derived from ingested climatology tiles.
Rocky Boy West: Lightning exposure derived from ingested climatology tiles.
Tornado
Chester: 12/100 · Rocky Boy West: 0/100
Chester is 12 points higher.
Chester: Tornado risk derived from NOAA SPC historical reports.
Rocky Boy West: Tornado risk derived from NOAA SPC historical reports.
Hail
Chester: 60/100 · Rocky Boy West: 10/100
Chester is 50 points higher.
Chester: Hail risk derived from NOAA SPC historical reports.
Rocky Boy West: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chester: Unavailable · Rocky Boy West: Unavailable
A score difference cannot be calculated without both sources.
Chester: Storm surge model is not available for this location yet.
Rocky Boy West: Storm surge model is not available for this location yet.
Wildfire
Chester: 17/100 · Rocky Boy West: 52/100
Rocky Boy West is 35 points higher.
Chester: Wildfire exposure derived from ingested fire potential tiles.
Rocky Boy West: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Chester: 22/100 · Rocky Boy West: 14/100
Chester is 8 points higher.
Chester: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Rocky Boy West: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.