City vs city
Herndon vs Hopewell Township, PA
Herndon currently scores 7 points higher overall than Hopewell Township, with the largest gap 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
Herndon: 43/100 · Hopewell Township: 36/100
Herndon is 7 points higher.
Flood
Herndon: 100/100 · Hopewell Township: 72/100
Herndon is 28 points higher.
Herndon: FEMA NFHL flood zones: 12 features intersect this tile.
Hopewell Township: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Herndon: 20/100 · Hopewell Township: 18/100
Herndon is 2 points higher.
Herndon: Wind exposure derived from ingested design wind / climatology tiles.
Hopewell Township: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Herndon: 28/100 · Hopewell Township: 27/100
Herndon is 1 points higher.
Herndon: Lightning exposure derived from ingested climatology tiles.
Hopewell Township: Lightning exposure derived from ingested climatology tiles.
Tornado
Herndon: 12/100 · Hopewell Township: 15/100
Hopewell Township is 3 points higher.
Herndon: Tornado risk derived from NOAA SPC historical reports.
Hopewell Township: Tornado risk derived from NOAA SPC historical reports.
Hail
Herndon: 52/100 · Hopewell Township: 63/100
Hopewell Township is 11 points higher.
Herndon: Hail risk derived from NOAA SPC historical reports.
Hopewell Township: Hail risk derived from NOAA SPC historical reports.
Storm surge
Herndon: Unavailable · Hopewell Township: Unavailable
A score difference cannot be calculated without both sources.
Herndon: Storm surge model is not available for this location yet.
Hopewell Township: Storm surge model is not available for this location yet.
Wildfire
Herndon: 49/100 · Hopewell Township: 22/100
Herndon is 27 points higher.
Herndon: Wildfire exposure derived from ingested fire potential tiles.
Hopewell Township: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Herndon: 40/100 · Hopewell Township: 38/100
Herndon is 2 points higher.
Herndon: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Hopewell Township: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.