City vs city
Isabel vs Rapid City, SD
Rapid City currently scores 6 points higher overall than Isabel, 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 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
Isabel: 37/100 · Rapid City: 43/100
Rapid City is 6 points higher.
Flood
Isabel: 41/100 · Rapid City: 53/100
Rapid City is 12 points higher.
Isabel: FEMA NFHL flood zones: 1 features intersect this tile.
Rapid City: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Isabel: 20/100 · Rapid City: 20/100
No gap.
Isabel: Wind exposure derived from ingested design wind / climatology tiles.
Rapid City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Isabel: 24/100 · Rapid City: 23/100
Isabel is 1 points higher.
Isabel: Lightning exposure derived from ingested climatology tiles.
Rapid City: Lightning exposure derived from ingested climatology tiles.
Tornado
Isabel: 12/100 · Rapid City: 23/100
Rapid City is 11 points higher.
Isabel: Tornado risk derived from NOAA SPC historical reports.
Rapid City: Tornado risk derived from NOAA SPC historical reports.
Hail
Isabel: 100/100 · Rapid City: 100/100
No gap.
Isabel: Hail risk derived from NOAA SPC historical reports.
Rapid City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Isabel: Unavailable · Rapid City: Unavailable
A score difference cannot be calculated without both sources.
Isabel: Storm surge model is not available for this location yet.
Rapid City: Storm surge model is not available for this location yet.
Wildfire
Isabel: 46/100 · Rapid City: 57/100
Rapid City is 11 points higher.
Isabel: Wildfire exposure derived from ingested fire potential tiles.
Rapid City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Isabel: 19/100 · Rapid City: 28/100
Rapid City is 9 points higher.
Isabel: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Rapid City: Air quality signal derived from the latest EPA AirNow combined AQI grid.