City vs city
Langford vs Rapid City, SD
Rapid City currently scores 22 points higher overall than Langford, 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
Langford: 20/100 · Rapid City: 42/100
Rapid City is 22 points higher.
Flood
Langford: 14/100 · Rapid City: 49/100
Rapid City is 35 points higher.
Langford: FEMA NFHL flood zones: 8 features intersect this tile.
Rapid City: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Langford: 20/100 · Rapid City: 20/100
No gap.
Langford: Wind exposure derived from ingested design wind / climatology tiles.
Rapid City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Langford: 26/100 · Rapid City: 24/100
Langford is 2 points higher.
Langford: Lightning exposure derived from ingested climatology tiles.
Rapid City: Lightning exposure derived from ingested climatology tiles.
Tornado
Langford: 4/100 · Rapid City: 8/100
Rapid City is 4 points higher.
Langford: Tornado risk derived from NOAA SPC historical reports.
Rapid City: Tornado risk derived from NOAA SPC historical reports.
Hail
Langford: 35/100 · Rapid City: 100/100
Rapid City is 65 points higher.
Langford: Hail risk derived from NOAA SPC historical reports.
Rapid City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Langford: Unavailable · Rapid City: Unavailable
A score difference cannot be calculated without both sources.
Langford: Storm surge model is not available for this location yet.
Rapid City: Storm surge model is not available for this location yet.
Wildfire
Langford: 37/100 · Rapid City: 67/100
Rapid City is 30 points higher.
Langford: Wildfire exposure derived from ingested fire potential tiles.
Rapid City: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Langford: 5/100 · Rapid City: 29/100
Rapid City is 24 points higher.
Langford: 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.