City vs city
Grand Junction vs Perry, IA
Grand Junction currently scores 4 points higher overall than Perry, 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
Grand Junction: 38/100 · Perry: 34/100
Grand Junction is 4 points higher.
Flood
Grand Junction: 46/100 · Perry: 52/100
Perry is 6 points higher.
Grand Junction: FEMA NFHL flood zones: 5 features intersect this tile.
Perry: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Grand Junction: 18/100 · Perry: 18/100
No gap.
Grand Junction: Wind exposure derived from ingested design wind / climatology tiles.
Perry: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Grand Junction: 72/100 · Perry: 62/100
Grand Junction is 10 points higher.
Grand Junction: Lightning exposure derived from ingested climatology tiles.
Perry: Lightning exposure derived from ingested climatology tiles.
Tornado
Grand Junction: 23/100 · Perry: 15/100
Grand Junction is 8 points higher.
Grand Junction: Tornado risk derived from NOAA SPC historical reports.
Perry: Tornado risk derived from NOAA SPC historical reports.
Hail
Grand Junction: 48/100 · Perry: 38/100
Grand Junction is 10 points higher.
Grand Junction: Hail risk derived from NOAA SPC historical reports.
Perry: Hail risk derived from NOAA SPC historical reports.
Storm surge
Grand Junction: Unavailable · Perry: Unavailable
A score difference cannot be calculated without both sources.
Grand Junction: Storm surge model is not available for this location yet.
Perry: Storm surge model is not available for this location yet.
Wildfire
Grand Junction: 29/100 · Perry: 23/100
Grand Junction is 6 points higher.
Grand Junction: Wildfire exposure derived from ingested fire potential tiles.
Perry: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Grand Junction: 27/100 · Perry: 30/100
Perry is 3 points higher.
Grand Junction: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Perry: Air quality signal derived from the latest EPA AirNow combined AQI grid.