City vs city
Northboro vs Sioux City, IA
Northboro currently scores 6 points higher overall than Sioux City, with the largest gap in tornado.
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
Northboro: 45/100 · Sioux City: 39/100
Northboro is 6 points higher.
Flood
Northboro: 45/100 · Sioux City: 4/100
Northboro is 41 points higher.
Northboro: FEMA NFHL flood zones: 4 features intersect this tile.
Sioux City: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Northboro: 19/100 · Sioux City: 20/100
Sioux City is 1 points higher.
Northboro: Wind exposure derived from ingested design wind / climatology tiles.
Sioux City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Northboro: 59/100 · Sioux City: 52/100
Northboro is 7 points higher.
Northboro: Lightning exposure derived from ingested climatology tiles.
Sioux City: Lightning exposure derived from ingested climatology tiles.
Tornado
Northboro: 100/100 · Sioux City: 38/100
Northboro is 62 points higher.
Northboro: Tornado risk derived from NOAA SPC historical reports.
Sioux City: Tornado risk derived from NOAA SPC historical reports.
Hail
Northboro: 43/100 · Sioux City: 86/100
Sioux City is 43 points higher.
Northboro: Hail risk derived from NOAA SPC historical reports.
Sioux City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Northboro: Unavailable · Sioux City: Unavailable
A score difference cannot be calculated without both sources.
Northboro: Storm surge model is not available for this location yet.
Sioux City: Storm surge model is not available for this location yet.
Wildfire
Northboro: 22/100 · Sioux City: 48/100
Sioux City is 26 points higher.
Northboro: Wildfire exposure derived from ingested fire potential tiles.
Sioux City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Northboro: 24/100 · Sioux City: 26/100
Sioux City is 2 points higher.
Northboro: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Sioux City: Air quality signal derived from the latest EPA AirNow combined AQI grid.