City vs city
Hill City vs Johnson Siding, SD
Hill City currently scores 2 points higher overall than Johnson Siding, 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
Hill City: 49/100 · Johnson Siding: 47/100
Hill City is 2 points higher.
Flood
Hill City: 83/100 · Johnson Siding: 44/100
Hill City is 39 points higher.
Hill City: FEMA NFHL flood zones: 18 features intersect this tile.
Johnson Siding: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Hill City: 19/100 · Johnson Siding: 19/100
No gap.
Hill City: Wind exposure derived from ingested design wind / climatology tiles.
Johnson Siding: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Hill City: 24/100 · Johnson Siding: 23/100
Hill City is 1 points higher.
Hill City: Lightning exposure derived from ingested climatology tiles.
Johnson Siding: Lightning exposure derived from ingested climatology tiles.
Tornado
Hill City: 8/100 · Johnson Siding: 0/100
Hill City is 8 points higher.
Hill City: Tornado risk derived from NOAA SPC historical reports.
Johnson Siding: Tornado risk derived from NOAA SPC historical reports.
Hail
Hill City: 100/100 · Johnson Siding: 100/100
No gap.
Hill City: Hail risk derived from NOAA SPC historical reports.
Johnson Siding: Hail risk derived from NOAA SPC historical reports.
Storm surge
Hill City: Unavailable · Johnson Siding: Unavailable
A score difference cannot be calculated without both sources.
Hill City: Storm surge model is not available for this location yet.
Johnson Siding: Storm surge model is not available for this location yet.
Wildfire
Hill City: 75/100 · Johnson Siding: 69/100
Hill City is 6 points higher.
Hill City: Wildfire exposure derived from ingested fire potential tiles.
Johnson Siding: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Hill City: 31/100 · Johnson Siding: 27/100
Hill City is 4 points higher.
Hill City: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Johnson Siding: Air quality signal derived from the latest EPA AirNow combined AQI grid.