City vs city
Norwalk vs Waterloo, IA
Norwalk currently scores 6 points higher overall than Waterloo, with the largest gap in lightning.
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
Norwalk: 47/100 · Waterloo: 41/100
Norwalk is 6 points higher.
Flood
Norwalk: 75/100 · Waterloo: 66/100
Norwalk is 9 points higher.
Norwalk: FEMA NFHL flood zones: 8 features intersect this tile.
Waterloo: FEMA NFHL flood zones: 17 features intersect this tile.
Wind
Norwalk: 18/100 · Waterloo: 18/100
No gap.
Norwalk: Wind exposure derived from ingested design wind / climatology tiles.
Waterloo: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Norwalk: 58/100 · Waterloo: 30/100
Norwalk is 28 points higher.
Norwalk: Lightning exposure derived from ingested climatology tiles.
Waterloo: Lightning exposure derived from ingested climatology tiles.
Tornado
Norwalk: 15/100 · Waterloo: 15/100
No gap.
Norwalk: Tornado risk derived from NOAA SPC historical reports.
Waterloo: Tornado risk derived from NOAA SPC historical reports.
Hail
Norwalk: 100/100 · Waterloo: 100/100
No gap.
Norwalk: Hail risk derived from NOAA SPC historical reports.
Waterloo: Hail risk derived from NOAA SPC historical reports.
Storm surge
Norwalk: Unavailable · Waterloo: Unavailable
A score difference cannot be calculated without both sources.
Norwalk: Storm surge model is not available for this location yet.
Waterloo: Storm surge model is not available for this location yet.
Wildfire
Norwalk: 31/100 · Waterloo: 34/100
Waterloo is 3 points higher.
Norwalk: Wildfire exposure derived from ingested fire potential tiles.
Waterloo: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Norwalk: 31/100 · Waterloo: 21/100
Norwalk is 10 points higher.
Norwalk: 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.