City vs city
Irwin vs Murrysville, PA
Irwin currently scores 8 points higher overall than Murrysville, 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
Irwin: 40/100 · Murrysville: 32/100
Irwin is 8 points higher.
Flood
Irwin: 60/100 · Murrysville: 70/100
Murrysville is 10 points higher.
Irwin: FEMA NFHL flood zones: 2 features intersect this tile.
Murrysville: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Irwin: 18/100 · Murrysville: 18/100
No gap.
Irwin: Wind exposure derived from ingested design wind / climatology tiles.
Murrysville: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Irwin: 25/100 · Murrysville: 27/100
Murrysville is 2 points higher.
Irwin: Lightning exposure derived from ingested climatology tiles.
Murrysville: Lightning exposure derived from ingested climatology tiles.
Tornado
Irwin: 27/100 · Murrysville: 8/100
Irwin is 19 points higher.
Irwin: Tornado risk derived from NOAA SPC historical reports.
Murrysville: Tornado risk derived from NOAA SPC historical reports.
Hail
Irwin: 77/100 · Murrysville: 36/100
Irwin is 41 points higher.
Irwin: Hail risk derived from NOAA SPC historical reports.
Murrysville: Hail risk derived from NOAA SPC historical reports.
Storm surge
Irwin: Unavailable · Murrysville: Unavailable
A score difference cannot be calculated without both sources.
Irwin: Storm surge model is not available for this location yet.
Murrysville: Storm surge model is not available for this location yet.
Wildfire
Irwin: 35/100 · Murrysville: 26/100
Irwin is 9 points higher.
Irwin: Wildfire exposure derived from ingested fire potential tiles.
Murrysville: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Irwin: 41/100 · Murrysville: 39/100
Irwin is 2 points higher.
Irwin: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Murrysville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.