City vs city
Berwyn Heights vs Riverdale Park, MD
Berwyn Heights and Riverdale Park are tied on overall score, with the biggest factor difference in flood.
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
Berwyn Heights: 39/100 · Riverdale Park: 39/100
No gap.
Flood
Berwyn Heights: 27/100 · Riverdale Park: 27/100
No gap.
Berwyn Heights: FEMA NFHL flood zones: 10 features intersect this tile.
Riverdale Park: FEMA NFHL flood zones: 10 features intersect this tile.
Wind
Berwyn Heights: 21/100 · Riverdale Park: 21/100
No gap.
Berwyn Heights: Wind exposure derived from ingested design wind / climatology tiles.
Riverdale Park: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Berwyn Heights: 39/100 · Riverdale Park: 39/100
No gap.
Berwyn Heights: Lightning exposure derived from ingested climatology tiles.
Riverdale Park: Lightning exposure derived from ingested climatology tiles.
Tornado
Berwyn Heights: 38/100 · Riverdale Park: 38/100
No gap.
Berwyn Heights: Tornado risk derived from NOAA SPC historical reports.
Riverdale Park: Tornado risk derived from NOAA SPC historical reports.
Hail
Berwyn Heights: 63/100 · Riverdale Park: 63/100
No gap.
Berwyn Heights: Hail risk derived from NOAA SPC historical reports.
Riverdale Park: Hail risk derived from NOAA SPC historical reports.
Storm surge
Berwyn Heights: Unavailable · Riverdale Park: Unavailable
A score difference cannot be calculated without both sources.
Berwyn Heights: Storm surge model is not available for this location yet.
Riverdale Park: Storm surge model is not available for this location yet.
Wildfire
Berwyn Heights: 38/100 · Riverdale Park: 38/100
No gap.
Berwyn Heights: Wildfire exposure derived from ingested fire potential tiles.
Riverdale Park: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Berwyn Heights: 44/100 · Riverdale Park: 44/100
No gap.
Berwyn Heights: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Riverdale Park: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.