City vs city
Friendly vs National Harbor, MD
National Harbor currently scores 7 points higher overall than Friendly, 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
Friendly: 36/100 · National Harbor: 43/100
National Harbor is 7 points higher.
Flood
Friendly: 24/100 · National Harbor: 16/100
Friendly is 8 points higher.
Friendly: FEMA NFHL flood zones: 2 features intersect this tile.
National Harbor: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Friendly: 21/100 · National Harbor: 21/100
No gap.
Friendly: Wind exposure derived from ingested design wind / climatology tiles.
National Harbor: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Friendly: 40/100 · National Harbor: 40/100
No gap.
Friendly: Lightning exposure derived from ingested climatology tiles.
National Harbor: Lightning exposure derived from ingested climatology tiles.
Tornado
Friendly: 35/100 · National Harbor: 31/100
Friendly is 4 points higher.
Friendly: Tornado risk derived from NOAA SPC historical reports.
National Harbor: Tornado risk derived from NOAA SPC historical reports.
Hail
Friendly: 37/100 · National Harbor: 55/100
National Harbor is 18 points higher.
Friendly: Hail risk derived from NOAA SPC historical reports.
National Harbor: Hail risk derived from NOAA SPC historical reports.
Storm surge
Friendly: Unavailable · National Harbor: 87/100
A score difference cannot be calculated without both sources.
Friendly: Storm surge model is not available for this location yet.
National Harbor: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Friendly: 51/100 · National Harbor: 49/100
Friendly is 2 points higher.
Friendly: Wildfire exposure derived from ingested fire potential tiles.
National Harbor: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Friendly: 47/100 · National Harbor: 42/100
Friendly is 5 points higher.
Friendly: 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.