City vs city
Big Delta vs Deltana, AK
Deltana currently scores 3 points higher overall than Big Delta, with the largest gap in lightning.
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
Big Delta: 6/100 · Deltana: 9/100
Deltana is 3 points higher.
Flood
Big Delta: Unavailable · Deltana: Unavailable
A score difference cannot be calculated without both sources.
Big Delta: Flood model is not available for this location yet.
Deltana: Flood model is not available for this location yet.
Wind
Big Delta: 18/100 · Deltana: 18/100
No gap.
Big Delta: Wind exposure derived from ingested design wind / climatology tiles.
Deltana: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Big Delta: 1/100 · Deltana: 0/100
Big Delta is 1 points higher.
Big Delta: Lightning exposure derived from ingested climatology tiles.
Deltana: Lightning exposure derived from ingested climatology tiles.
Tornado
Big Delta: Unavailable · Deltana: Unavailable
A score difference cannot be calculated without both sources.
Big Delta: Tornado model is not available for this location yet.
Deltana: Tornado model is not available for this location yet.
Hail
Big Delta: Unavailable · Deltana: Unavailable
A score difference cannot be calculated without both sources.
Big Delta: Hail model is not available for this location yet.
Deltana: Hail model is not available for this location yet.
Storm surge
Big Delta: Unavailable · Deltana: Unavailable
A score difference cannot be calculated without both sources.
Big Delta: Storm surge model is not available for this location yet.
Deltana: Storm surge model is not available for this location yet.
Wildfire
Big Delta: Unavailable · Deltana: Unavailable
A score difference cannot be calculated without both sources.
Big Delta: Wildfire model is not available for this location yet.
Deltana: Wildfire model is not available for this location yet.
Current air quality
Big Delta: Unavailable · Deltana: Unavailable
A score difference cannot be calculated without both sources.
Big Delta: Air quality model is not available for this location yet.
Deltana: Air quality model is not available for this location yet.