City vs city
Gretna vs Lafayette, LA
Gretna currently scores 15 points higher overall than Lafayette, 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
Gretna: 61/100 · Lafayette: 46/100
Gretna is 15 points higher.
Flood
Gretna: 29/100 · Lafayette: 24/100
Gretna is 5 points higher.
Gretna: FEMA NFHL flood zones: 31 features intersect this tile.
Lafayette: FEMA NFHL flood zones: 18 features intersect this tile.
Wind
Gretna: 50/100 · Lafayette: 39/100
Gretna is 11 points higher.
Gretna: Wind exposure derived from ingested design wind / climatology tiles.
Lafayette: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Gretna: 92/100 · Lafayette: 88/100
Gretna is 4 points higher.
Gretna: Lightning exposure derived from ingested climatology tiles.
Lafayette: Lightning exposure derived from ingested climatology tiles.
Tornado
Gretna: 54/100 · Lafayette: 85/100
Lafayette is 31 points higher.
Gretna: Tornado risk derived from NOAA SPC historical reports.
Lafayette: Tornado risk derived from NOAA SPC historical reports.
Hail
Gretna: 95/100 · Lafayette: 24/100
Gretna is 71 points higher.
Gretna: Hail risk derived from NOAA SPC historical reports.
Lafayette: Hail risk derived from NOAA SPC historical reports.
Storm surge
Gretna: 99/100 · Lafayette: 72/100
Gretna is 27 points higher.
Gretna: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Lafayette: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Gretna: 38/100 · Lafayette: 13/100
Gretna is 25 points higher.
Gretna: Wildfire exposure derived from ingested fire potential tiles.
Lafayette: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Gretna: 31/100 · Lafayette: 21/100
Gretna is 10 points higher.
Gretna: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Lafayette: Air quality signal derived from the latest EPA AirNow combined AQI grid.