City vs city
Columbia vs Overlea, MD
Overlea currently scores 4 points higher overall than Columbia, with the largest gap in tornado.
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 · Overlea: 37/100
Overlea is 4 points higher.
Flood
Columbia: 22/100 · Overlea: 26/100
Overlea is 4 points higher.
Columbia: FEMA NFHL flood zones: 4 features intersect this tile.
Overlea: FEMA NFHL flood zones: 9 features intersect this tile.
Wind
Columbia: 21/100 · Overlea: 21/100
No gap.
Columbia: Wind exposure derived from ingested design wind / climatology tiles.
Overlea: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Columbia: 38/100 · Overlea: 39/100
Overlea is 1 points higher.
Columbia: Lightning exposure derived from ingested climatology tiles.
Overlea: Lightning exposure derived from ingested climatology tiles.
Tornado
Columbia: 15/100 · Overlea: 35/100
Overlea is 20 points higher.
Columbia: Tornado risk derived from NOAA SPC historical reports.
Overlea: Tornado risk derived from NOAA SPC historical reports.
Hail
Columbia: 58/100 · Overlea: 62/100
Overlea is 4 points higher.
Columbia: Hail risk derived from NOAA SPC historical reports.
Overlea: Hail risk derived from NOAA SPC historical reports.
Storm surge
Columbia: Unavailable · Overlea: Unavailable
A score difference cannot be calculated without both sources.
Columbia: Storm surge model is not available for this location yet.
Overlea: Storm surge model is not available for this location yet.
Wildfire
Columbia: 38/100 · Overlea: 35/100
Columbia is 3 points higher.
Columbia: Wildfire exposure derived from ingested fire potential tiles.
Overlea: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Columbia: 42/100 · Overlea: 43/100
Overlea is 1 points higher.
Columbia: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Overlea: Air quality signal derived from the latest EPA AirNow combined AQI grid.