City vs city
Petersburg vs Thorne Bay, AK
Thorne Bay currently scores 3 points higher overall than Petersburg, with the largest gap in wind.
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
Petersburg: 22/100 · Thorne Bay: 25/100
Thorne Bay is 3 points higher.
Flood
Petersburg: Unavailable · Thorne Bay: Unavailable
A score difference cannot be calculated without both sources.
Petersburg: Flood model is not available for this location yet.
Thorne Bay: Flood model is not available for this location yet.
Wind
Petersburg: 44/100 · Thorne Bay: 50/100
Thorne Bay is 6 points higher.
Petersburg: Wind exposure derived from ingested design wind / climatology tiles.
Thorne Bay: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Petersburg: 0/100 · Thorne Bay: 0/100
No gap.
Petersburg: Lightning exposure derived from ingested climatology tiles.
Thorne Bay: Lightning exposure derived from ingested climatology tiles.
Tornado
Petersburg: Unavailable · Thorne Bay: Unavailable
A score difference cannot be calculated without both sources.
Petersburg: Tornado model is not available for this location yet.
Thorne Bay: Tornado model is not available for this location yet.
Hail
Petersburg: Unavailable · Thorne Bay: Unavailable
A score difference cannot be calculated without both sources.
Petersburg: Hail model is not available for this location yet.
Thorne Bay: Hail model is not available for this location yet.
Storm surge
Petersburg: Unavailable · Thorne Bay: Unavailable
A score difference cannot be calculated without both sources.
Petersburg: Storm surge model is not available for this location yet.
Thorne Bay: Storm surge model is not available for this location yet.
Wildfire
Petersburg: Unavailable · Thorne Bay: Unavailable
A score difference cannot be calculated without both sources.
Petersburg: Wildfire model is not available for this location yet.
Thorne Bay: Wildfire model is not available for this location yet.
Current air quality
Petersburg: Unavailable · Thorne Bay: Unavailable
A score difference cannot be calculated without both sources.
Petersburg: Air quality model is not available for this location yet.
Thorne Bay: Air quality model is not available for this location yet.