City vs city
Corunna vs Swartz Creek, MI
Swartz Creek currently scores 1 points higher overall than Corunna, 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
Corunna: 31/100 · Swartz Creek: 32/100
Swartz Creek is 1 points higher.
Flood
Corunna: 54/100 · Swartz Creek: 51/100
Corunna is 3 points higher.
Corunna: FEMA NFHL flood zones: 8 features intersect this tile.
Swartz Creek: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Corunna: 16/100 · Swartz Creek: 16/100
No gap.
Corunna: Wind exposure derived from ingested design wind / climatology tiles.
Swartz Creek: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Corunna: 31/100 · Swartz Creek: 35/100
Swartz Creek is 4 points higher.
Corunna: Lightning exposure derived from ingested climatology tiles.
Swartz Creek: Lightning exposure derived from ingested climatology tiles.
Tornado
Corunna: 0/100 · Swartz Creek: 19/100
Swartz Creek is 19 points higher.
Corunna: Tornado risk derived from NOAA SPC historical reports.
Swartz Creek: Tornado risk derived from NOAA SPC historical reports.
Hail
Corunna: 13/100 · Swartz Creek: 28/100
Swartz Creek is 15 points higher.
Corunna: Hail risk derived from NOAA SPC historical reports.
Swartz Creek: Hail risk derived from NOAA SPC historical reports.
Storm surge
Corunna: Unavailable · Swartz Creek: Unavailable
A score difference cannot be calculated without both sources.
Corunna: Storm surge model is not available for this location yet.
Swartz Creek: Storm surge model is not available for this location yet.
Wildfire
Corunna: 39/100 · Swartz Creek: 43/100
Swartz Creek is 4 points higher.
Corunna: Wildfire exposure derived from ingested fire potential tiles.
Swartz Creek: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Corunna: 30/100 · Swartz Creek: 30/100
No gap.
Corunna: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Swartz Creek: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.