City vs city
New Orleans vs Old Jefferson, LA
New Orleans currently scores 2 points higher overall than Old Jefferson, 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
New Orleans: 47/100 · Old Jefferson: 45/100
New Orleans is 2 points higher.
Flood
New Orleans: 30/100 · Old Jefferson: 31/100
Old Jefferson is 1 points higher.
New Orleans: FEMA NFHL flood zones: 22 features intersect this tile.
Old Jefferson: FEMA NFHL flood zones: 12 features intersect this tile.
Wind
New Orleans: 49/100 · Old Jefferson: 34/100
New Orleans is 15 points higher.
New Orleans: Wind exposure derived from ingested design wind / climatology tiles.
Old Jefferson: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
New Orleans: 96/100 · Old Jefferson: 96/100
No gap.
New Orleans: Lightning exposure derived from ingested climatology tiles.
Old Jefferson: Lightning exposure derived from ingested climatology tiles.
Tornado
New Orleans: 35/100 · Old Jefferson: 8/100
New Orleans is 27 points higher.
New Orleans: Tornado risk derived from NOAA SPC historical reports.
Old Jefferson: Tornado risk derived from NOAA SPC historical reports.
Hail
New Orleans: 18/100 · Old Jefferson: 35/100
Old Jefferson is 17 points higher.
New Orleans: Hail risk derived from NOAA SPC historical reports.
Old Jefferson: Hail risk derived from NOAA SPC historical reports.
Storm surge
New Orleans: 99/100 · Old Jefferson: 98/100
New Orleans is 1 points higher.
New Orleans: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Old Jefferson: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
New Orleans: 24/100 · Old Jefferson: 39/100
Old Jefferson is 15 points higher.
New Orleans: Wildfire exposure derived from ingested fire potential tiles.
Old Jefferson: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
New Orleans: 23/100 · Old Jefferson: 21/100
New Orleans is 2 points higher.
New Orleans: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Old Jefferson: Air quality signal derived from the latest EPA AirNow combined AQI grid.