City vs city
Britton vs Groton, SD
Groton currently scores 6 points higher overall than Britton, 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
Britton: 34/100 · Groton: 40/100
Groton is 6 points higher.
Flood
Britton: 36/100 · Groton: 72/100
Groton is 36 points higher.
Britton: FEMA NFHL flood zones: 7 features intersect this tile.
Groton: FEMA NFHL flood zones: 7 features intersect this tile.
Wind
Britton: 20/100 · Groton: 20/100
No gap.
Britton: Wind exposure derived from ingested design wind / climatology tiles.
Groton: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Britton: 26/100 · Groton: 30/100
Groton is 4 points higher.
Britton: Lightning exposure derived from ingested climatology tiles.
Groton: Lightning exposure derived from ingested climatology tiles.
Tornado
Britton: 8/100 · Groton: 31/100
Groton is 23 points higher.
Britton: Tornado risk derived from NOAA SPC historical reports.
Groton: Tornado risk derived from NOAA SPC historical reports.
Hail
Britton: 100/100 · Groton: 85/100
Britton is 15 points higher.
Britton: Hail risk derived from NOAA SPC historical reports.
Groton: Hail risk derived from NOAA SPC historical reports.
Storm surge
Britton: Unavailable · Groton: Unavailable
A score difference cannot be calculated without both sources.
Britton: Storm surge model is not available for this location yet.
Groton: Storm surge model is not available for this location yet.
Wildfire
Britton: 39/100 · Groton: 37/100
Britton is 2 points higher.
Britton: Wildfire exposure derived from ingested fire potential tiles.
Groton: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Britton: 6/100 · Groton: 5/100
Britton is 1 points higher.
Britton: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Groton: Air quality signal derived from the latest EPA AirNow combined AQI grid.