City vs city
Chambersburg vs Mercersburg, PA
Chambersburg currently scores 5 points higher overall than Mercersburg, 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 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
Chambersburg: 37/100 · Mercersburg: 32/100
Chambersburg is 5 points higher.
Flood
Chambersburg: 60/100 · Mercersburg: 62/100
Mercersburg is 2 points higher.
Chambersburg: FEMA NFHL flood zones: 3 features intersect this tile.
Mercersburg: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Chambersburg: 19/100 · Mercersburg: 19/100
No gap.
Chambersburg: Wind exposure derived from ingested design wind / climatology tiles.
Mercersburg: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chambersburg: 30/100 · Mercersburg: 23/100
Chambersburg is 7 points higher.
Chambersburg: Lightning exposure derived from ingested climatology tiles.
Mercersburg: Lightning exposure derived from ingested climatology tiles.
Tornado
Chambersburg: 0/100 · Mercersburg: 0/100
No gap.
Chambersburg: Tornado risk derived from NOAA SPC historical reports.
Mercersburg: Tornado risk derived from NOAA SPC historical reports.
Hail
Chambersburg: 32/100 · Mercersburg: 10/100
Chambersburg is 22 points higher.
Chambersburg: Hail risk derived from NOAA SPC historical reports.
Mercersburg: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chambersburg: Unavailable · Mercersburg: Unavailable
A score difference cannot be calculated without both sources.
Chambersburg: Storm surge model is not available for this location yet.
Mercersburg: Storm surge model is not available for this location yet.
Wildfire
Chambersburg: 43/100 · Mercersburg: 34/100
Chambersburg is 9 points higher.
Chambersburg: Wildfire exposure derived from ingested fire potential tiles.
Mercersburg: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Chambersburg: 40/100 · Mercersburg: 42/100
Mercersburg is 2 points higher.
Chambersburg: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Mercersburg: Air quality signal derived from the latest EPA AirNow combined AQI grid.