City vs city
Henry vs Willow Lake, SD
Henry currently scores 13 points higher overall than Willow Lake, 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
Henry: 48/100 · Willow Lake: 35/100
Henry is 13 points higher.
Flood
Henry: 67/100 · Willow Lake: 44/100
Henry is 23 points higher.
Henry: FEMA NFHL flood zones: 10 features intersect this tile.
Willow Lake: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Henry: 20/100 · Willow Lake: 20/100
No gap.
Henry: Wind exposure derived from ingested design wind / climatology tiles.
Willow Lake: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Henry: 40/100 · Willow Lake: 44/100
Willow Lake is 4 points higher.
Henry: Lightning exposure derived from ingested climatology tiles.
Willow Lake: Lightning exposure derived from ingested climatology tiles.
Tornado
Henry: 0/100 · Willow Lake: 19/100
Willow Lake is 19 points higher.
Henry: Tornado risk derived from NOAA SPC historical reports.
Willow Lake: Tornado risk derived from NOAA SPC historical reports.
Hail
Henry: 100/100 · Willow Lake: 66/100
Henry is 34 points higher.
Henry: Hail risk derived from NOAA SPC historical reports.
Willow Lake: Hail risk derived from NOAA SPC historical reports.
Storm surge
Henry: Unavailable · Willow Lake: Unavailable
A score difference cannot be calculated without both sources.
Henry: Storm surge model is not available for this location yet.
Willow Lake: Storm surge model is not available for this location yet.
Wildfire
Henry: 37/100 · Willow Lake: 34/100
Henry is 3 points higher.
Henry: Wildfire exposure derived from ingested fire potential tiles.
Willow Lake: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Henry: 21/100 · Willow Lake: 21/100
No gap.
Henry: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Willow Lake: Air quality signal derived from the latest EPA AirNow combined AQI grid.