City vs city
Glassmanor vs National Harbor, MD
National Harbor currently scores 2 points higher overall than Glassmanor, with the largest gap in hail.
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
Glassmanor: 41/100 · National Harbor: 43/100
National Harbor is 2 points higher.
Flood
Glassmanor: 14/100 · National Harbor: 16/100
National Harbor is 2 points higher.
Glassmanor: FEMA NFHL flood zones: 3 features intersect this tile.
National Harbor: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Glassmanor: 21/100 · National Harbor: 21/100
No gap.
Glassmanor: Wind exposure derived from ingested design wind / climatology tiles.
National Harbor: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Glassmanor: 40/100 · National Harbor: 40/100
No gap.
Glassmanor: Lightning exposure derived from ingested climatology tiles.
National Harbor: Lightning exposure derived from ingested climatology tiles.
Tornado
Glassmanor: 31/100 · National Harbor: 31/100
No gap.
Glassmanor: Tornado risk derived from NOAA SPC historical reports.
National Harbor: Tornado risk derived from NOAA SPC historical reports.
Hail
Glassmanor: 37/100 · National Harbor: 55/100
National Harbor is 18 points higher.
Glassmanor: Hail risk derived from NOAA SPC historical reports.
National Harbor: Hail risk derived from NOAA SPC historical reports.
Storm surge
Glassmanor: 93/100 · National Harbor: 87/100
Glassmanor is 6 points higher.
Glassmanor: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
National Harbor: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Glassmanor: 48/100 · National Harbor: 49/100
National Harbor is 1 points higher.
Glassmanor: Wildfire exposure derived from ingested fire potential tiles.
National Harbor: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Glassmanor: 47/100 · National Harbor: 42/100
Glassmanor is 5 points higher.
Glassmanor: Air quality signal derived from the latest EPA AirNow combined AQI grid.
National Harbor: Air quality signal derived from the latest EPA AirNow combined AQI grid.