City vs city
Iowa City vs Shell Rock, IA
Iowa City currently scores 11 points higher overall than Shell Rock, 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
Iowa City: 48/100 · Shell Rock: 37/100
Iowa City is 11 points higher.
Flood
Iowa City: 64/100 · Shell Rock: 71/100
Shell Rock is 7 points higher.
Iowa City: FEMA NFHL flood zones: 13 features intersect this tile.
Shell Rock: FEMA NFHL flood zones: 9 features intersect this tile.
Wind
Iowa City: 17/100 · Shell Rock: 17/100
No gap.
Iowa City: Wind exposure derived from ingested design wind / climatology tiles.
Shell Rock: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Iowa City: 47/100 · Shell Rock: 23/100
Iowa City is 24 points higher.
Iowa City: Lightning exposure derived from ingested climatology tiles.
Shell Rock: Lightning exposure derived from ingested climatology tiles.
Tornado
Iowa City: 38/100 · Shell Rock: 0/100
Iowa City is 38 points higher.
Iowa City: Tornado risk derived from NOAA SPC historical reports.
Shell Rock: Tornado risk derived from NOAA SPC historical reports.
Hail
Iowa City: 100/100 · Shell Rock: 56/100
Iowa City is 44 points higher.
Iowa City: Hail risk derived from NOAA SPC historical reports.
Shell Rock: Hail risk derived from NOAA SPC historical reports.
Storm surge
Iowa City: Unavailable · Shell Rock: Unavailable
A score difference cannot be calculated without both sources.
Iowa City: Storm surge model is not available for this location yet.
Shell Rock: Storm surge model is not available for this location yet.
Wildfire
Iowa City: 43/100 · Shell Rock: 35/100
Iowa City is 8 points higher.
Iowa City: Wildfire exposure derived from ingested fire potential tiles.
Shell Rock: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Iowa City: 24/100 · Shell Rock: 21/100
Iowa City is 3 points higher.
Iowa City: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Shell Rock: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.