City vs city
Mason City vs Waterloo, IA
Mason City currently scores 4 points higher overall than Waterloo, 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
Mason City: 45/100 · Waterloo: 41/100
Mason City is 4 points higher.
Flood
Mason City: 61/100 · Waterloo: 66/100
Waterloo is 5 points higher.
Mason City: FEMA NFHL flood zones: 12 features intersect this tile.
Waterloo: FEMA NFHL flood zones: 17 features intersect this tile.
Wind
Mason City: 18/100 · Waterloo: 18/100
No gap.
Mason City: Wind exposure derived from ingested design wind / climatology tiles.
Waterloo: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Mason City: 25/100 · Waterloo: 30/100
Waterloo is 5 points higher.
Mason City: Lightning exposure derived from ingested climatology tiles.
Waterloo: Lightning exposure derived from ingested climatology tiles.
Tornado
Mason City: 54/100 · Waterloo: 15/100
Mason City is 39 points higher.
Mason City: Tornado risk derived from NOAA SPC historical reports.
Waterloo: Tornado risk derived from NOAA SPC historical reports.
Hail
Mason City: 100/100 · Waterloo: 100/100
No gap.
Mason City: Hail risk derived from NOAA SPC historical reports.
Waterloo: Hail risk derived from NOAA SPC historical reports.
Storm surge
Mason City: Unavailable · Waterloo: Unavailable
A score difference cannot be calculated without both sources.
Mason City: Storm surge model is not available for this location yet.
Waterloo: Storm surge model is not available for this location yet.
Wildfire
Mason City: 32/100 · Waterloo: 34/100
Waterloo is 2 points higher.
Mason City: Wildfire exposure derived from ingested fire potential tiles.
Waterloo: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Mason City: 22/100 · Waterloo: 21/100
Mason City is 1 points higher.
Mason City: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Waterloo: Air quality signal derived from the latest EPA AirNow combined AQI grid.