City vs city
Granville vs Waterloo, IA
Waterloo currently scores 7 points higher overall than Granville, with the largest gap in hail.
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 uses an ingested EPA AirNow snapshot and may not reflect current conditions; 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
Granville: 34/100 · Waterloo: 41/100
Waterloo is 7 points higher.
Flood
Granville: 53/100 · Waterloo: 66/100
Waterloo is 13 points higher.
Granville: FEMA NFHL flood zones: 10 features intersect this tile.
Waterloo: FEMA NFHL flood zones: 17 features intersect this tile.
Wind
Granville: 20/100 · Waterloo: 18/100
Granville is 2 points higher.
Granville: Wind exposure derived from ingested design wind / climatology tiles.
Waterloo: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Granville: 53/100 · Waterloo: 30/100
Granville is 23 points higher.
Granville: Lightning exposure derived from ingested climatology tiles.
Waterloo: Lightning exposure derived from ingested climatology tiles.
Tornado
Granville: 15/100 · Waterloo: 15/100
No gap.
Granville: Tornado risk derived from NOAA SPC historical reports.
Waterloo: Tornado risk derived from NOAA SPC historical reports.
Hail
Granville: 39/100 · Waterloo: 100/100
Waterloo is 61 points higher.
Granville: Hail risk derived from NOAA SPC historical reports.
Waterloo: Hail risk derived from NOAA SPC historical reports.
Storm surge
Granville: Unavailable · Waterloo: Unavailable
A score difference cannot be calculated without both sources.
Granville: Storm surge model is not available for this location yet.
Waterloo: Storm surge model is not available for this location yet.
Wildfire
Granville: 31/100 · Waterloo: 34/100
Waterloo is 3 points higher.
Granville: Wildfire exposure derived from ingested fire potential tiles.
Waterloo: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Granville: 24/100 · Waterloo: 21/100
Granville is 3 points higher.
Granville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Waterloo: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.