City vs city
Havre de Grace vs Perryville, MD
Havre de Grace currently scores 6 points higher overall than Perryville, with the largest gap in tornado.
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
Havre de Grace: 41/100 · Perryville: 35/100
Havre de Grace is 6 points higher.
Flood
Havre de Grace: 29/100 · Perryville: 31/100
Perryville is 2 points higher.
Havre de Grace: FEMA NFHL flood zones: 11 features intersect this tile.
Perryville: FEMA NFHL flood zones: 12 features intersect this tile.
Wind
Havre de Grace: 22/100 · Perryville: 22/100
No gap.
Havre de Grace: Wind exposure derived from ingested design wind / climatology tiles.
Perryville: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Havre de Grace: 41/100 · Perryville: 42/100
Perryville is 1 points higher.
Havre de Grace: Lightning exposure derived from ingested climatology tiles.
Perryville: Lightning exposure derived from ingested climatology tiles.
Tornado
Havre de Grace: 46/100 · Perryville: 8/100
Havre de Grace is 38 points higher.
Havre de Grace: Tornado risk derived from NOAA SPC historical reports.
Perryville: Tornado risk derived from NOAA SPC historical reports.
Hail
Havre de Grace: 21/100 · Perryville: 22/100
Perryville is 1 points higher.
Havre de Grace: Hail risk derived from NOAA SPC historical reports.
Perryville: Hail risk derived from NOAA SPC historical reports.
Storm surge
Havre de Grace: 84/100 · Perryville: 98/100
Perryville is 14 points higher.
Havre de Grace: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Perryville: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Havre de Grace: 42/100 · Perryville: 11/100
Havre de Grace is 31 points higher.
Havre de Grace: Wildfire exposure derived from ingested fire potential tiles.
Perryville: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Havre de Grace: 40/100 · Perryville: 43/100
Perryville is 3 points higher.
Havre de Grace: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Perryville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.