City vs city
Alda vs Grand Island, NE
Grand Island currently scores 6 points higher overall than Alda, 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
Alda: 55/100 · Grand Island: 61/100
Grand Island is 6 points higher.
Flood
Alda: 63/100 · Grand Island: 54/100
Alda is 9 points higher.
Alda: FEMA NFHL flood zones: 11 features intersect this tile.
Grand Island: FEMA NFHL flood zones: 12 features intersect this tile.
Wind
Alda: 19/100 · Grand Island: 19/100
No gap.
Alda: Wind exposure derived from ingested design wind / climatology tiles.
Grand Island: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Alda: 46/100 · Grand Island: 50/100
Grand Island is 4 points higher.
Alda: Lightning exposure derived from ingested climatology tiles.
Grand Island: Lightning exposure derived from ingested climatology tiles.
Tornado
Alda: 62/100 · Grand Island: 100/100
Grand Island is 38 points higher.
Alda: Tornado risk derived from NOAA SPC historical reports.
Grand Island: Tornado risk derived from NOAA SPC historical reports.
Hail
Alda: 100/100 · Grand Island: 100/100
No gap.
Alda: Hail risk derived from NOAA SPC historical reports.
Grand Island: Hail risk derived from NOAA SPC historical reports.
Storm surge
Alda: Unavailable · Grand Island: Unavailable
A score difference cannot be calculated without both sources.
Alda: Storm surge model is not available for this location yet.
Grand Island: Storm surge model is not available for this location yet.
Wildfire
Alda: 41/100 · Grand Island: 41/100
No gap.
Alda: Wildfire exposure derived from ingested fire potential tiles.
Grand Island: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Alda: Unavailable · Grand Island: Unavailable
A score difference cannot be calculated without both sources.
Alda: Air quality model is not available for this location yet.
Grand Island: Air quality model is not available for this location yet.
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