City vs city
Chancellor vs Rapid City, SD
Rapid City currently scores 5 points higher overall than Chancellor, 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
Chancellor: 37/100 · Rapid City: 42/100
Rapid City is 5 points higher.
Flood
Chancellor: 53/100 · Rapid City: 49/100
Chancellor is 4 points higher.
Chancellor: FEMA NFHL flood zones: 16 features intersect this tile.
Rapid City: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Chancellor: 20/100 · Rapid City: 20/100
No gap.
Chancellor: Wind exposure derived from ingested design wind / climatology tiles.
Rapid City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chancellor: 41/100 · Rapid City: 24/100
Chancellor is 17 points higher.
Chancellor: Lightning exposure derived from ingested climatology tiles.
Rapid City: Lightning exposure derived from ingested climatology tiles.
Tornado
Chancellor: 35/100 · Rapid City: 8/100
Chancellor is 27 points higher.
Chancellor: Tornado risk derived from NOAA SPC historical reports.
Rapid City: Tornado risk derived from NOAA SPC historical reports.
Hail
Chancellor: 38/100 · Rapid City: 100/100
Rapid City is 62 points higher.
Chancellor: Hail risk derived from NOAA SPC historical reports.
Rapid City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chancellor: Unavailable · Rapid City: Unavailable
A score difference cannot be calculated without both sources.
Chancellor: Storm surge model is not available for this location yet.
Rapid City: Storm surge model is not available for this location yet.
Wildfire
Chancellor: 54/100 · Rapid City: 67/100
Rapid City is 13 points higher.
Chancellor: Wildfire exposure derived from ingested fire potential tiles.
Rapid City: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Chancellor: 21/100 · Rapid City: 29/100
Rapid City is 8 points higher.
Chancellor: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Rapid 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.