City vs city
Columbia vs Ferndale, MD
Columbia currently scores 3 points higher overall than Ferndale, with the largest gap in wildfire.
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
Columbia: 33/100 · Ferndale: 30/100
Columbia is 3 points higher.
Flood
Columbia: 22/100 · Ferndale: 22/100
No gap.
Columbia: FEMA NFHL flood zones: 4 features intersect this tile.
Ferndale: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Columbia: 21/100 · Ferndale: 21/100
No gap.
Columbia: Wind exposure derived from ingested design wind / climatology tiles.
Ferndale: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Columbia: 38/100 · Ferndale: 40/100
Ferndale is 2 points higher.
Columbia: Lightning exposure derived from ingested climatology tiles.
Ferndale: Lightning exposure derived from ingested climatology tiles.
Tornado
Columbia: 15/100 · Ferndale: 8/100
Columbia is 7 points higher.
Columbia: Tornado risk derived from NOAA SPC historical reports.
Ferndale: Tornado risk derived from NOAA SPC historical reports.
Hail
Columbia: 58/100 · Ferndale: 52/100
Columbia is 6 points higher.
Columbia: Hail risk derived from NOAA SPC historical reports.
Ferndale: Hail risk derived from NOAA SPC historical reports.
Storm surge
Columbia: Unavailable · Ferndale: Unavailable
A score difference cannot be calculated without both sources.
Columbia: Storm surge model is not available for this location yet.
Ferndale: Storm surge model is not available for this location yet.
Wildfire
Columbia: 38/100 · Ferndale: 25/100
Columbia is 13 points higher.
Columbia: Wildfire exposure derived from ingested fire potential tiles.
Ferndale: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Columbia: 42/100 · Ferndale: 42/100
No gap.
Columbia: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Ferndale: Air quality signal derived from the latest EPA AirNow combined AQI grid.