City vs city
Roswell vs Sioux Falls, SD
Sioux Falls currently scores 18 points higher overall than Roswell, 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 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
Roswell: 32/100 · Sioux Falls: 50/100
Sioux Falls is 18 points higher.
Flood
Roswell: Unavailable · Sioux Falls: 52/100
A score difference cannot be calculated without both sources.
Roswell: Flood model is not available for this location yet.
Sioux Falls: FEMA NFHL flood zones: 17 features intersect this tile.
Wind
Roswell: 21/100 · Sioux Falls: 20/100
Roswell is 1 points higher.
Roswell: Wind exposure derived from ingested design wind / climatology tiles.
Sioux Falls: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Roswell: 71/100 · Sioux Falls: 46/100
Roswell is 25 points higher.
Roswell: Lightning exposure derived from ingested climatology tiles.
Sioux Falls: Lightning exposure derived from ingested climatology tiles.
Tornado
Roswell: 42/100 · Sioux Falls: 58/100
Sioux Falls is 16 points higher.
Roswell: Tornado risk derived from NOAA SPC historical reports.
Sioux Falls: Tornado risk derived from NOAA SPC historical reports.
Hail
Roswell: 31/100 · Sioux Falls: 100/100
Sioux Falls is 69 points higher.
Roswell: Hail risk derived from NOAA SPC historical reports.
Sioux Falls: Hail risk derived from NOAA SPC historical reports.
Storm surge
Roswell: Unavailable · Sioux Falls: Unavailable
A score difference cannot be calculated without both sources.
Roswell: Storm surge model is not available for this location yet.
Sioux Falls: Storm surge model is not available for this location yet.
Wildfire
Roswell: 41/100 · Sioux Falls: 51/100
Sioux Falls is 10 points higher.
Roswell: Wildfire exposure derived from ingested fire potential tiles.
Sioux Falls: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Roswell: 20/100 · Sioux Falls: 21/100
Sioux Falls is 1 points higher.
Roswell: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Sioux Falls: Air quality signal derived from the latest EPA AirNow combined AQI grid.