City vs city
Alpena vs Broadland, SD
Alpena currently scores 8 points higher overall than Broadland, with the largest gap in flood.
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
Alpena: 38/100 · Broadland: 30/100
Alpena is 8 points higher.
Flood
Alpena: 34/100 · Broadland: 68/100
Broadland is 34 points higher.
Alpena: FEMA NFHL flood zones: 9 features intersect this tile.
Broadland: FEMA NFHL flood zones: 12 features intersect this tile.
Wind
Alpena: 21/100 · Broadland: 21/100
No gap.
Alpena: Wind exposure derived from ingested design wind / climatology tiles.
Broadland: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Alpena: 51/100 · Broadland: 47/100
Alpena is 4 points higher.
Alpena: Lightning exposure derived from ingested climatology tiles.
Broadland: Lightning exposure derived from ingested climatology tiles.
Tornado
Alpena: 0/100 · Broadland: 8/100
Broadland is 8 points higher.
Alpena: Tornado risk derived from NOAA SPC historical reports.
Broadland: Tornado risk derived from NOAA SPC historical reports.
Hail
Alpena: 36/100 · Broadland: 22/100
Alpena is 14 points higher.
Alpena: Hail risk derived from NOAA SPC historical reports.
Broadland: Hail risk derived from NOAA SPC historical reports.
Storm surge
Alpena: Unavailable · Broadland: Unavailable
A score difference cannot be calculated without both sources.
Alpena: Storm surge model is not available for this location yet.
Broadland: Storm surge model is not available for this location yet.
Wildfire
Alpena: 49/100 · Broadland: 37/100
Alpena is 12 points higher.
Alpena: Wildfire exposure derived from ingested fire potential tiles.
Broadland: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Alpena: Unavailable · Broadland: 7/100
A score difference cannot be calculated without both sources.
Alpena: Air quality model is not available for this location yet.
Broadland: Air quality signal derived from the latest EPA AirNow combined AQI grid.