City vs city
Charleston vs Olive Branch, MS
Charleston currently scores 3 points higher overall than Olive Branch, 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 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
Charleston: 42/100 · Olive Branch: 39/100
Charleston is 3 points higher.
Flood
Charleston: 39/100 · Olive Branch: 0/100
Charleston is 39 points higher.
Charleston: FEMA NFHL flood zones: 3 features intersect this tile.
Olive Branch: FEMA NFHL flood zones: 0 features intersect this tile.
Wind
Charleston: 15/100 · Olive Branch: 14/100
Charleston is 1 points higher.
Charleston: Wind exposure derived from ingested design wind / climatology tiles.
Olive Branch: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Charleston: 68/100 · Olive Branch: 64/100
Charleston is 4 points higher.
Charleston: Lightning exposure derived from ingested climatology tiles.
Olive Branch: Lightning exposure derived from ingested climatology tiles.
Tornado
Charleston: 23/100 · Olive Branch: 42/100
Olive Branch is 19 points higher.
Charleston: Tornado risk derived from NOAA SPC historical reports.
Olive Branch: Tornado risk derived from NOAA SPC historical reports.
Hail
Charleston: 60/100 · Olive Branch: 90/100
Olive Branch is 30 points higher.
Charleston: Hail risk derived from NOAA SPC historical reports.
Olive Branch: Hail risk derived from NOAA SPC historical reports.
Storm surge
Charleston: Unavailable · Olive Branch: Unavailable
A score difference cannot be calculated without both sources.
Charleston: Storm surge model is not available for this location yet.
Olive Branch: Storm surge model is not available for this location yet.
Wildfire
Charleston: 64/100 · Olive Branch: 42/100
Charleston is 22 points higher.
Charleston: Wildfire exposure derived from ingested fire potential tiles.
Olive Branch: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Charleston: 23/100 · Olive Branch: 24/100
Olive Branch is 1 points higher.
Charleston: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Olive Branch: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.