City vs city
Broken Arrow vs Rock Island, OK
Broken Arrow currently scores 1 points higher overall than Rock Island, 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
Broken Arrow: 56/100 · Rock Island: 55/100
Broken Arrow is 1 points higher.
Flood
Broken Arrow: 50/100 · Rock Island: 44/100
Broken Arrow is 6 points higher.
Broken Arrow: FEMA NFHL flood zones: 8 features intersect this tile.
Rock Island: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Broken Arrow: 17/100 · Rock Island: 15/100
Broken Arrow is 2 points higher.
Broken Arrow: Wind exposure derived from ingested design wind / climatology tiles.
Rock Island: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Broken Arrow: 58/100 · Rock Island: 85/100
Rock Island is 27 points higher.
Broken Arrow: Lightning exposure derived from ingested climatology tiles.
Rock Island: Lightning exposure derived from ingested climatology tiles.
Tornado
Broken Arrow: 100/100 · Rock Island: 0/100
Broken Arrow is 100 points higher.
Broken Arrow: Tornado risk derived from NOAA SPC historical reports.
Rock Island: Tornado risk derived from NOAA SPC historical reports.
Hail
Broken Arrow: 100/100 · Rock Island: 100/100
No gap.
Broken Arrow: Hail risk derived from NOAA SPC historical reports.
Rock Island: Hail risk derived from NOAA SPC historical reports.
Storm surge
Broken Arrow: Unavailable · Rock Island: Unavailable
A score difference cannot be calculated without both sources.
Broken Arrow: Storm surge model is not available for this location yet.
Rock Island: Storm surge model is not available for this location yet.
Wildfire
Broken Arrow: 37/100 · Rock Island: 57/100
Rock Island is 20 points higher.
Broken Arrow: Wildfire exposure derived from ingested fire potential tiles.
Rock Island: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Broken Arrow: 27/100 · Rock Island: 27/100
No gap.
Broken Arrow: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Rock Island: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.