City vs city
Brock Hall vs Silver Spring, MD
Brock Hall and Silver Spring are tied on overall score, with the biggest factor difference 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
Brock Hall: 38/100 · Silver Spring: 38/100
No gap.
Flood
Brock Hall: 27/100 · Silver Spring: 0/100
Brock Hall is 27 points higher.
Brock Hall: FEMA NFHL flood zones: 6 features intersect this tile.
Silver Spring: FEMA NFHL flood zones: 0 features intersect this tile.
Wind
Brock Hall: 21/100 · Silver Spring: 21/100
No gap.
Brock Hall: Wind exposure derived from ingested design wind / climatology tiles.
Silver Spring: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Brock Hall: 40/100 · Silver Spring: 38/100
Brock Hall is 2 points higher.
Brock Hall: Lightning exposure derived from ingested climatology tiles.
Silver Spring: Lightning exposure derived from ingested climatology tiles.
Tornado
Brock Hall: 15/100 · Silver Spring: 27/100
Silver Spring is 12 points higher.
Brock Hall: Tornado risk derived from NOAA SPC historical reports.
Silver Spring: Tornado risk derived from NOAA SPC historical reports.
Hail
Brock Hall: 29/100 · Silver Spring: 100/100
Silver Spring is 71 points higher.
Brock Hall: Hail risk derived from NOAA SPC historical reports.
Silver Spring: Hail risk derived from NOAA SPC historical reports.
Storm surge
Brock Hall: 80/100 · Silver Spring: Unavailable
A score difference cannot be calculated without both sources.
Brock Hall: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Silver Spring: Storm surge model is not available for this location yet.
Wildfire
Brock Hall: 47/100 · Silver Spring: 37/100
Brock Hall is 10 points higher.
Brock Hall: Wildfire exposure derived from ingested fire potential tiles.
Silver Spring: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Brock Hall: 44/100 · Silver Spring: 45/100
Silver Spring is 1 points higher.
Brock Hall: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Silver Spring: Air quality signal derived from the latest EPA AirNow combined AQI grid.