City vs city
Baltimore vs Perry Hall, MD
Baltimore currently scores 12 points higher overall than Perry Hall, 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 uses an ingested EPA AirNow snapshot and may not reflect current conditions; 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
Baltimore: 42/100 · Perry Hall: 30/100
Baltimore is 12 points higher.
Flood
Baltimore: 27/100 · Perry Hall: 21/100
Baltimore is 6 points higher.
Baltimore: FEMA NFHL flood zones: 15 features intersect this tile.
Perry Hall: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Baltimore: 21/100 · Perry Hall: 21/100
No gap.
Baltimore: Wind exposure derived from ingested design wind / climatology tiles.
Perry Hall: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Baltimore: 40/100 · Perry Hall: 40/100
No gap.
Baltimore: Lightning exposure derived from ingested climatology tiles.
Perry Hall: Lightning exposure derived from ingested climatology tiles.
Tornado
Baltimore: 35/100 · Perry Hall: 23/100
Baltimore is 12 points higher.
Baltimore: Tornado risk derived from NOAA SPC historical reports.
Perry Hall: Tornado risk derived from NOAA SPC historical reports.
Hail
Baltimore: 89/100 · Perry Hall: 24/100
Baltimore is 65 points higher.
Baltimore: Hail risk derived from NOAA SPC historical reports.
Perry Hall: Hail risk derived from NOAA SPC historical reports.
Storm surge
Baltimore: 47/100 · Perry Hall: Unavailable
A score difference cannot be calculated without both sources.
Baltimore: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Perry Hall: Storm surge model is not available for this location yet.
Wildfire
Baltimore: 34/100 · Perry Hall: 39/100
Perry Hall is 5 points higher.
Baltimore: Wildfire exposure derived from ingested fire potential tiles.
Perry Hall: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Baltimore: 43/100 · Perry Hall: 42/100
Baltimore is 1 points higher.
Baltimore: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Perry Hall: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.