City vs city
Iowa City vs Spencer, IA
Spencer currently scores 2 points higher overall than Iowa City, with the largest gap in tornado.
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
Iowa City: 48/100 · Spencer: 50/100
Spencer is 2 points higher.
Flood
Iowa City: 64/100 · Spencer: 61/100
Iowa City is 3 points higher.
Iowa City: FEMA NFHL flood zones: 13 features intersect this tile.
Spencer: FEMA NFHL flood zones: 12 features intersect this tile.
Wind
Iowa City: 17/100 · Spencer: 19/100
Spencer is 2 points higher.
Iowa City: Wind exposure derived from ingested design wind / climatology tiles.
Spencer: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Iowa City: 47/100 · Spencer: 55/100
Spencer is 8 points higher.
Iowa City: Lightning exposure derived from ingested climatology tiles.
Spencer: Lightning exposure derived from ingested climatology tiles.
Tornado
Iowa City: 38/100 · Spencer: 65/100
Spencer is 27 points higher.
Iowa City: Tornado risk derived from NOAA SPC historical reports.
Spencer: Tornado risk derived from NOAA SPC historical reports.
Hail
Iowa City: 100/100 · Spencer: 100/100
No gap.
Iowa City: Hail risk derived from NOAA SPC historical reports.
Spencer: Hail risk derived from NOAA SPC historical reports.
Storm surge
Iowa City: Unavailable · Spencer: Unavailable
A score difference cannot be calculated without both sources.
Iowa City: Storm surge model is not available for this location yet.
Spencer: Storm surge model is not available for this location yet.
Wildfire
Iowa City: 43/100 · Spencer: 32/100
Iowa City is 11 points higher.
Iowa City: Wildfire exposure derived from ingested fire potential tiles.
Spencer: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Iowa City: 24/100 · Spencer: 18/100
Iowa City is 6 points higher.
Iowa City: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Spencer: Air quality signal derived from the latest EPA AirNow combined AQI grid.