City vs city
Mason City vs Northwood, IA
Mason City currently scores 19 points higher overall than Northwood, 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
Mason City: 45/100 · Northwood: 26/100
Mason City is 19 points higher.
Flood
Mason City: 61/100 · Northwood: 0/100
Mason City is 61 points higher.
Mason City: FEMA NFHL flood zones: 12 features intersect this tile.
Northwood: FEMA NFHL flood zones: 0 features intersect this tile.
Wind
Mason City: 18/100 · Northwood: 18/100
No gap.
Mason City: Wind exposure derived from ingested design wind / climatology tiles.
Northwood: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Mason City: 25/100 · Northwood: 29/100
Northwood is 4 points higher.
Mason City: Lightning exposure derived from ingested climatology tiles.
Northwood: Lightning exposure derived from ingested climatology tiles.
Tornado
Mason City: 54/100 · Northwood: 8/100
Mason City is 46 points higher.
Mason City: Tornado risk derived from NOAA SPC historical reports.
Northwood: Tornado risk derived from NOAA SPC historical reports.
Hail
Mason City: 100/100 · Northwood: 79/100
Mason City is 21 points higher.
Mason City: Hail risk derived from NOAA SPC historical reports.
Northwood: Hail risk derived from NOAA SPC historical reports.
Storm surge
Mason City: Unavailable · Northwood: Unavailable
A score difference cannot be calculated without both sources.
Mason City: Storm surge model is not available for this location yet.
Northwood: Storm surge model is not available for this location yet.
Wildfire
Mason City: 32/100 · Northwood: 28/100
Mason City is 4 points higher.
Mason City: Wildfire exposure derived from ingested fire potential tiles.
Northwood: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Mason City: 22/100 · Northwood: 19/100
Mason City is 3 points higher.
Mason City: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Northwood: Air quality signal derived from the latest EPA AirNow combined AQI grid.