City vs city
Charleston vs Forestbrook, SC
Charleston currently scores 4 points higher overall than Forestbrook, with the largest gap in flood.
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
Charleston: 60/100 · Forestbrook: 56/100
Charleston is 4 points higher.
Flood
Charleston: 78/100 · Forestbrook: 28/100
Charleston is 50 points higher.
Charleston: FEMA NFHL flood zones: 28 features intersect this tile.
Forestbrook: FEMA NFHL flood zones: 7 features intersect this tile.
Wind
Charleston: 51/100 · Forestbrook: 51/100
No gap.
Charleston: Wind exposure derived from ingested design wind / climatology tiles.
Forestbrook: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Charleston: 49/100 · Forestbrook: 61/100
Forestbrook is 12 points higher.
Charleston: Lightning exposure derived from ingested climatology tiles.
Forestbrook: Lightning exposure derived from ingested climatology tiles.
Tornado
Charleston: 12/100 · Forestbrook: 0/100
Charleston is 12 points higher.
Charleston: Tornado risk derived from NOAA SPC historical reports.
Forestbrook: Tornado risk derived from NOAA SPC historical reports.
Hail
Charleston: 100/100 · Forestbrook: 76/100
Charleston is 24 points higher.
Charleston: Hail risk derived from NOAA SPC historical reports.
Forestbrook: Hail risk derived from NOAA SPC historical reports.
Storm surge
Charleston: 99/100 · Forestbrook: 93/100
Charleston is 6 points higher.
Charleston: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Forestbrook: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Charleston: 63/100 · Forestbrook: 63/100
No gap.
Charleston: Wildfire exposure derived from ingested fire potential tiles.
Forestbrook: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Charleston: 26/100 · Forestbrook: 19/100
Charleston is 7 points higher.
Charleston: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Forestbrook: Air quality signal derived from the latest EPA AirNow combined AQI grid.