City vs city
Ann Arbor vs Harper Woods, MI
Ann Arbor currently scores 10 points higher overall than Harper Woods, 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 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
Ann Arbor: 43/100 · Harper Woods: 33/100
Ann Arbor is 10 points higher.
Flood
Ann Arbor: 51/100 · Harper Woods: 45/100
Ann Arbor is 6 points higher.
Ann Arbor: FEMA NFHL flood zones: 4 features intersect this tile.
Harper Woods: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Ann Arbor: 16/100 · Harper Woods: 16/100
No gap.
Ann Arbor: Wind exposure derived from ingested design wind / climatology tiles.
Harper Woods: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Ann Arbor: 47/100 · Harper Woods: 40/100
Ann Arbor is 7 points higher.
Ann Arbor: Lightning exposure derived from ingested climatology tiles.
Harper Woods: Lightning exposure derived from ingested climatology tiles.
Tornado
Ann Arbor: 12/100 · Harper Woods: 27/100
Harper Woods is 15 points higher.
Ann Arbor: Tornado risk derived from NOAA SPC historical reports.
Harper Woods: Tornado risk derived from NOAA SPC historical reports.
Hail
Ann Arbor: 100/100 · Harper Woods: 30/100
Ann Arbor is 70 points higher.
Ann Arbor: Hail risk derived from NOAA SPC historical reports.
Harper Woods: Hail risk derived from NOAA SPC historical reports.
Storm surge
Ann Arbor: Unavailable · Harper Woods: Unavailable
A score difference cannot be calculated without both sources.
Ann Arbor: Storm surge model is not available for this location yet.
Harper Woods: Storm surge model is not available for this location yet.
Wildfire
Ann Arbor: 45/100 · Harper Woods: 48/100
Harper Woods is 3 points higher.
Ann Arbor: Wildfire exposure derived from ingested fire potential tiles.
Harper Woods: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Ann Arbor: 29/100 · Harper Woods: 28/100
Ann Arbor is 1 points higher.
Ann Arbor: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Harper Woods: Air quality signal derived from the latest EPA AirNow combined AQI grid.