City vs city
Broken Arrow vs Chelsea, OK
Broken Arrow currently scores 8 points higher overall than Chelsea, 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
Broken Arrow: 56/100 · Chelsea: 48/100
Broken Arrow is 8 points higher.
Flood
Broken Arrow: 50/100 · Chelsea: 58/100
Chelsea is 8 points higher.
Broken Arrow: FEMA NFHL flood zones: 8 features intersect this tile.
Chelsea: FEMA NFHL flood zones: 10 features intersect this tile.
Wind
Broken Arrow: 17/100 · Chelsea: 17/100
No gap.
Broken Arrow: Wind exposure derived from ingested design wind / climatology tiles.
Chelsea: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Broken Arrow: 58/100 · Chelsea: 67/100
Chelsea is 9 points higher.
Broken Arrow: Lightning exposure derived from ingested climatology tiles.
Chelsea: Lightning exposure derived from ingested climatology tiles.
Tornado
Broken Arrow: 100/100 · Chelsea: 31/100
Broken Arrow is 69 points higher.
Broken Arrow: Tornado risk derived from NOAA SPC historical reports.
Chelsea: Tornado risk derived from NOAA SPC historical reports.
Hail
Broken Arrow: 100/100 · Chelsea: 100/100
No gap.
Broken Arrow: Hail risk derived from NOAA SPC historical reports.
Chelsea: Hail risk derived from NOAA SPC historical reports.
Storm surge
Broken Arrow: Unavailable · Chelsea: Unavailable
A score difference cannot be calculated without both sources.
Broken Arrow: Storm surge model is not available for this location yet.
Chelsea: Storm surge model is not available for this location yet.
Wildfire
Broken Arrow: 37/100 · Chelsea: 32/100
Broken Arrow is 5 points higher.
Broken Arrow: Wildfire exposure derived from ingested fire potential tiles.
Chelsea: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Broken Arrow: 27/100 · Chelsea: 28/100
Chelsea is 1 points higher.
Broken Arrow: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Chelsea: Air quality signal derived from the latest EPA AirNow combined AQI grid.