City vs city
Marion vs Roll, IN
Roll currently scores 1 points higher overall than Marion, 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 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
Marion: 40/100 · Roll: 41/100
Roll is 1 points higher.
Flood
Marion: 32/100 · Roll: 34/100
Roll is 2 points higher.
Marion: FEMA NFHL flood zones: 7 features intersect this tile.
Roll: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Marion: 15/100 · Roll: 15/100
No gap.
Marion: Wind exposure derived from ingested design wind / climatology tiles.
Roll: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Marion: 80/100 · Roll: 81/100
Roll is 1 points higher.
Marion: Lightning exposure derived from ingested climatology tiles.
Roll: Lightning exposure derived from ingested climatology tiles.
Tornado
Marion: 0/100 · Roll: 96/100
Roll is 96 points higher.
Marion: Tornado risk derived from NOAA SPC historical reports.
Roll: Tornado risk derived from NOAA SPC historical reports.
Hail
Marion: 77/100 · Roll: 14/100
Marion is 63 points higher.
Marion: Hail risk derived from NOAA SPC historical reports.
Roll: Hail risk derived from NOAA SPC historical reports.
Storm surge
Marion: Unavailable · Roll: Unavailable
A score difference cannot be calculated without both sources.
Marion: Storm surge model is not available for this location yet.
Roll: Storm surge model is not available for this location yet.
Wildfire
Marion: 3/100 · Roll: 15/100
Roll is 12 points higher.
Marion: Wildfire exposure derived from ingested fire potential tiles.
Roll: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Marion: 31/100 · Roll: 31/100
No gap.
Marion: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Roll: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.