City vs city
Garden Grove vs Waterloo, IA
Waterloo currently scores 2 points higher overall than Garden Grove, 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
Garden Grove: 39/100 · Waterloo: 41/100
Waterloo is 2 points higher.
Flood
Garden Grove: 52/100 · Waterloo: 66/100
Waterloo is 14 points higher.
Garden Grove: FEMA NFHL flood zones: 3 features intersect this tile.
Waterloo: FEMA NFHL flood zones: 17 features intersect this tile.
Wind
Garden Grove: 18/100 · Waterloo: 18/100
No gap.
Garden Grove: Wind exposure derived from ingested design wind / climatology tiles.
Waterloo: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Garden Grove: 64/100 · Waterloo: 30/100
Garden Grove is 34 points higher.
Garden Grove: Lightning exposure derived from ingested climatology tiles.
Waterloo: Lightning exposure derived from ingested climatology tiles.
Tornado
Garden Grove: 0/100 · Waterloo: 15/100
Waterloo is 15 points higher.
Garden Grove: Tornado risk derived from NOAA SPC historical reports.
Waterloo: Tornado risk derived from NOAA SPC historical reports.
Hail
Garden Grove: 28/100 · Waterloo: 100/100
Waterloo is 72 points higher.
Garden Grove: Hail risk derived from NOAA SPC historical reports.
Waterloo: Hail risk derived from NOAA SPC historical reports.
Storm surge
Garden Grove: Unavailable · Waterloo: Unavailable
A score difference cannot be calculated without both sources.
Garden Grove: Storm surge model is not available for this location yet.
Waterloo: Storm surge model is not available for this location yet.
Wildfire
Garden Grove: 38/100 · Waterloo: 34/100
Garden Grove is 4 points higher.
Garden Grove: Wildfire exposure derived from ingested fire potential tiles.
Waterloo: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Garden Grove: 31/100 · Waterloo: 21/100
Garden Grove is 10 points higher.
Garden Grove: 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.