City vs city
Granville vs Williston, ND
Williston currently scores 7 points higher overall than Granville, 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 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
Granville: 28/100 · Williston: 35/100
Williston is 7 points higher.
Flood
Granville: 36/100 · Williston: 41/100
Williston is 5 points higher.
Granville: FEMA NFHL flood zones: 3 features intersect this tile.
Williston: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Granville: 18/100 · Williston: 18/100
No gap.
Granville: Wind exposure derived from ingested design wind / climatology tiles.
Williston: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Granville: 20/100 · Williston: 19/100
Granville is 1 points higher.
Granville: Lightning exposure derived from ingested climatology tiles.
Williston: Lightning exposure derived from ingested climatology tiles.
Tornado
Granville: 8/100 · Williston: 4/100
Granville is 4 points higher.
Granville: Tornado risk derived from NOAA SPC historical reports.
Williston: Tornado risk derived from NOAA SPC historical reports.
Hail
Granville: 45/100 · Williston: 100/100
Williston is 55 points higher.
Granville: Hail risk derived from NOAA SPC historical reports.
Williston: Hail risk derived from NOAA SPC historical reports.
Storm surge
Granville: Unavailable · Williston: Unavailable
A score difference cannot be calculated without both sources.
Granville: Storm surge model is not available for this location yet.
Williston: Storm surge model is not available for this location yet.
Wildfire
Granville: 25/100 · Williston: 37/100
Williston is 12 points higher.
Granville: Wildfire exposure derived from ingested fire potential tiles.
Williston: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Granville: 41/100 · Williston: 23/100
Granville is 18 points higher.
Granville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Williston: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.