City vs city
Jefferson vs Perry, IA
Jefferson currently scores 5 points higher overall than Perry, 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 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
Jefferson: 39/100 · Perry: 34/100
Jefferson is 5 points higher.
Flood
Jefferson: 50/100 · Perry: 52/100
Perry is 2 points higher.
Jefferson: FEMA NFHL flood zones: 4 features intersect this tile.
Perry: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Jefferson: 19/100 · Perry: 18/100
Jefferson is 1 points higher.
Jefferson: Wind exposure derived from ingested design wind / climatology tiles.
Perry: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Jefferson: 70/100 · Perry: 62/100
Jefferson is 8 points higher.
Jefferson: Lightning exposure derived from ingested climatology tiles.
Perry: Lightning exposure derived from ingested climatology tiles.
Tornado
Jefferson: 4/100 · Perry: 15/100
Perry is 11 points higher.
Jefferson: Tornado risk derived from NOAA SPC historical reports.
Perry: Tornado risk derived from NOAA SPC historical reports.
Hail
Jefferson: 77/100 · Perry: 38/100
Jefferson is 39 points higher.
Jefferson: Hail risk derived from NOAA SPC historical reports.
Perry: Hail risk derived from NOAA SPC historical reports.
Storm surge
Jefferson: Unavailable · Perry: Unavailable
A score difference cannot be calculated without both sources.
Jefferson: Storm surge model is not available for this location yet.
Perry: Storm surge model is not available for this location yet.
Wildfire
Jefferson: 29/100 · Perry: 23/100
Jefferson is 6 points higher.
Jefferson: Wildfire exposure derived from ingested fire potential tiles.
Perry: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Jefferson: 26/100 · Perry: 30/100
Perry is 4 points higher.
Jefferson: 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.