City vs city
Chalmette vs Lafayette, LA
Chalmette currently scores 5 points higher overall than Lafayette, 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
Chalmette: 51/100 · Lafayette: 46/100
Chalmette is 5 points higher.
Flood
Chalmette: 40/100 · Lafayette: 24/100
Chalmette is 16 points higher.
Chalmette: FEMA NFHL flood zones: 21 features intersect this tile.
Lafayette: FEMA NFHL flood zones: 18 features intersect this tile.
Wind
Chalmette: 51/100 · Lafayette: 39/100
Chalmette is 12 points higher.
Chalmette: Wind exposure derived from ingested design wind / climatology tiles.
Lafayette: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chalmette: 92/100 · Lafayette: 88/100
Chalmette is 4 points higher.
Chalmette: Lightning exposure derived from ingested climatology tiles.
Lafayette: Lightning exposure derived from ingested climatology tiles.
Tornado
Chalmette: 27/100 · Lafayette: 85/100
Lafayette is 58 points higher.
Chalmette: Tornado risk derived from NOAA SPC historical reports.
Lafayette: Tornado risk derived from NOAA SPC historical reports.
Hail
Chalmette: 46/100 · Lafayette: 24/100
Chalmette is 22 points higher.
Chalmette: Hail risk derived from NOAA SPC historical reports.
Lafayette: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chalmette: 99/100 · Lafayette: 72/100
Chalmette is 27 points higher.
Chalmette: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Lafayette: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Chalmette: 38/100 · Lafayette: 13/100
Chalmette is 25 points higher.
Chalmette: Wildfire exposure derived from ingested fire potential tiles.
Lafayette: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Chalmette: 16/100 · Lafayette: 21/100
Lafayette is 5 points higher.
Chalmette: 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.