City vs city
Erwinville vs Port Allen, LA
Erwinville currently scores 1 points higher overall than Port Allen, 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 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
Erwinville: 41/100 · Port Allen: 40/100
Erwinville is 1 points higher.
Flood
Erwinville: 24/100 · Port Allen: 18/100
Erwinville is 6 points higher.
Erwinville: FEMA NFHL flood zones: 10 features intersect this tile.
Port Allen: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Erwinville: 29/100 · Port Allen: 31/100
Port Allen is 2 points higher.
Erwinville: Wind exposure derived from ingested design wind / climatology tiles.
Port Allen: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Erwinville: 97/100 · Port Allen: 96/100
Erwinville is 1 points higher.
Erwinville: Lightning exposure derived from ingested climatology tiles.
Port Allen: Lightning exposure derived from ingested climatology tiles.
Tornado
Erwinville: 27/100 · Port Allen: 8/100
Erwinville is 19 points higher.
Erwinville: Tornado risk derived from NOAA SPC historical reports.
Port Allen: Tornado risk derived from NOAA SPC historical reports.
Hail
Erwinville: 32/100 · Port Allen: 36/100
Port Allen is 4 points higher.
Erwinville: Hail risk derived from NOAA SPC historical reports.
Port Allen: Hail risk derived from NOAA SPC historical reports.
Storm surge
Erwinville: 85/100 · Port Allen: 92/100
Port Allen is 7 points higher.
Erwinville: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Port Allen: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Erwinville: 18/100 · Port Allen: 18/100
No gap.
Erwinville: Wildfire exposure derived from ingested fire potential tiles.
Port Allen: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Erwinville: 18/100 · Port Allen: 18/100
No gap.
Erwinville: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Port Allen: Air quality signal derived from the latest EPA AirNow combined AQI grid.