City vs city
Glenham vs Herreid, SD
Herreid currently scores 2 points higher overall than Glenham, 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 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
Glenham: 31/100 · Herreid: 33/100
Herreid is 2 points higher.
Flood
Glenham: 0/100 · Herreid: Unavailable
A score difference cannot be calculated without both sources.
Glenham: FEMA NFHL flood zones: 0 features intersect this tile.
Herreid: Flood model is not available for this location yet.
Wind
Glenham: 20/100 · Herreid: 20/100
No gap.
Glenham: Wind exposure derived from ingested design wind / climatology tiles.
Herreid: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Glenham: 25/100 · Herreid: 32/100
Herreid is 7 points higher.
Glenham: Lightning exposure derived from ingested climatology tiles.
Herreid: Lightning exposure derived from ingested climatology tiles.
Tornado
Glenham: 35/100 · Herreid: 0/100
Glenham is 35 points higher.
Glenham: Tornado risk derived from NOAA SPC historical reports.
Herreid: Tornado risk derived from NOAA SPC historical reports.
Hail
Glenham: 60/100 · Herreid: 88/100
Herreid is 28 points higher.
Glenham: Hail risk derived from NOAA SPC historical reports.
Herreid: Hail risk derived from NOAA SPC historical reports.
Storm surge
Glenham: Unavailable · Herreid: Unavailable
A score difference cannot be calculated without both sources.
Glenham: Storm surge model is not available for this location yet.
Herreid: Storm surge model is not available for this location yet.
Wildfire
Glenham: 47/100 · Herreid: 43/100
Glenham is 4 points higher.
Glenham: Wildfire exposure derived from ingested fire potential tiles.
Herreid: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Glenham: Unavailable · Herreid: 14/100
A score difference cannot be calculated without both sources.
Glenham: Air quality model is not available for this location yet.
Herreid: Air quality signal derived from the latest EPA AirNow combined AQI grid.