City vs city
Iroquois vs Yale, SD
Yale currently scores 2 points higher overall than Iroquois, 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
Iroquois: 36/100 · Yale: 38/100
Yale is 2 points higher.
Flood
Iroquois: 53/100 · Yale: 74/100
Yale is 21 points higher.
Iroquois: FEMA NFHL flood zones: 15 features intersect this tile.
Yale: FEMA NFHL flood zones: 16 features intersect this tile.
Wind
Iroquois: 21/100 · Yale: 21/100
No gap.
Iroquois: Wind exposure derived from ingested design wind / climatology tiles.
Yale: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Iroquois: 58/100 · Yale: 51/100
Iroquois is 7 points higher.
Iroquois: Lightning exposure derived from ingested climatology tiles.
Yale: Lightning exposure derived from ingested climatology tiles.
Tornado
Iroquois: 31/100 · Yale: 0/100
Iroquois is 31 points higher.
Iroquois: Tornado risk derived from NOAA SPC historical reports.
Yale: Tornado risk derived from NOAA SPC historical reports.
Hail
Iroquois: 39/100 · Yale: 28/100
Iroquois is 11 points higher.
Iroquois: Hail risk derived from NOAA SPC historical reports.
Yale: Hail risk derived from NOAA SPC historical reports.
Storm surge
Iroquois: Unavailable · Yale: Unavailable
A score difference cannot be calculated without both sources.
Iroquois: Storm surge model is not available for this location yet.
Yale: Storm surge model is not available for this location yet.
Wildfire
Iroquois: 28/100 · Yale: 34/100
Yale is 6 points higher.
Iroquois: Wildfire exposure derived from ingested fire potential tiles.
Yale: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Iroquois: 19/100 · Yale: 18/100
Iroquois is 1 points higher.
Iroquois: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Yale: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.