City vs city
Derwood vs Frederick, MD
Derwood currently scores 2 points higher overall than Frederick, with the largest gap in lightning.
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
Derwood: 37/100 · Frederick: 35/100
Derwood is 2 points higher.
Flood
Derwood: 20/100 · Frederick: 20/100
No gap.
Derwood: FEMA NFHL flood zones: 2 features intersect this tile.
Frederick: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Derwood: 21/100 · Frederick: 20/100
Derwood is 1 points higher.
Derwood: Wind exposure derived from ingested design wind / climatology tiles.
Frederick: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Derwood: 36/100 · Frederick: 26/100
Derwood is 10 points higher.
Derwood: Lightning exposure derived from ingested climatology tiles.
Frederick: Lightning exposure derived from ingested climatology tiles.
Tornado
Derwood: 15/100 · Frederick: 15/100
No gap.
Derwood: Tornado risk derived from NOAA SPC historical reports.
Frederick: Tornado risk derived from NOAA SPC historical reports.
Hail
Derwood: 83/100 · Frederick: 74/100
Derwood is 9 points higher.
Derwood: Hail risk derived from NOAA SPC historical reports.
Frederick: Hail risk derived from NOAA SPC historical reports.
Storm surge
Derwood: Unavailable · Frederick: Unavailable
A score difference cannot be calculated without both sources.
Derwood: Storm surge model is not available for this location yet.
Frederick: Storm surge model is not available for this location yet.
Wildfire
Derwood: 41/100 · Frederick: 47/100
Frederick is 6 points higher.
Derwood: Wildfire exposure derived from ingested fire potential tiles.
Frederick: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Derwood: 43/100 · Frederick: 42/100
Derwood is 1 points higher.
Derwood: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Frederick: Air quality signal derived from the latest EPA AirNow combined AQI grid.