City vs city
Kalona vs Williamsburg, IA
Williamsburg currently scores 1 points higher overall than Kalona, 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
Kalona: 31/100 · Williamsburg: 32/100
Williamsburg is 1 points higher.
Flood
Kalona: 73/100 · Williamsburg: 47/100
Kalona is 26 points higher.
Kalona: FEMA NFHL flood zones: 3 features intersect this tile.
Williamsburg: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Kalona: 17/100 · Williamsburg: 17/100
No gap.
Kalona: Wind exposure derived from ingested design wind / climatology tiles.
Williamsburg: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Kalona: 44/100 · Williamsburg: 47/100
Williamsburg is 3 points higher.
Kalona: Lightning exposure derived from ingested climatology tiles.
Williamsburg: Lightning exposure derived from ingested climatology tiles.
Tornado
Kalona: 4/100 · Williamsburg: 8/100
Williamsburg is 4 points higher.
Kalona: Tornado risk derived from NOAA SPC historical reports.
Williamsburg: Tornado risk derived from NOAA SPC historical reports.
Hail
Kalona: 15/100 · Williamsburg: 32/100
Williamsburg is 17 points higher.
Kalona: Hail risk derived from NOAA SPC historical reports.
Williamsburg: Hail risk derived from NOAA SPC historical reports.
Storm surge
Kalona: Unavailable · Williamsburg: Unavailable
A score difference cannot be calculated without both sources.
Kalona: Storm surge model is not available for this location yet.
Williamsburg: Storm surge model is not available for this location yet.
Wildfire
Kalona: 39/100 · Williamsburg: 44/100
Williamsburg is 5 points higher.
Kalona: Wildfire exposure derived from ingested fire potential tiles.
Williamsburg: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Kalona: 24/100 · Williamsburg: 26/100
Williamsburg is 2 points higher.
Kalona: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Williamsburg: Air quality signal derived from the latest EPA AirNow combined AQI grid.