New Orleans’ extreme climate risk compared with nearby alternatives
Climate risk
Very
low
Low
Moderate
High
Very
high
Extreme
Arkansas
Mississippi
Alabama
Tuscaloosa
Vicksburg
Jackson
Montgomery
Meridian
Louisiana
Natchez
New Orleans
detail below
Gulf of Mexico
100 miles
200 km
Lake Pontchartrain
Lake Borgne
surge barrier
Levee system
New Orleans
Lake
Borgne
Kenner
Lower
Ninth
Ward
French
Quarter
Braithwaite
Woodmere
Lake
Salvador
Barataria
10 miles
20 km
Climate risk
Very
low
Low
Moderate
High
Very
high
Extreme
Arkansas
Mississippi
Alabama
Tuscaloosa
Vicksburg
Jackson
Montgomery
Meridian
Louisiana
Natchez
New Orleans
detail below
Gulf of Mexico
100 miles
200 km
Lake Pontchartrain
Levee system
Lake Borgne
surge barrier
New Orleans
Lake
Borgne
Lakeview
Kenner
Lower
Ninth
Ward
French
Quarter
Harvey
Braithwaite
Woodmere
Lake
Salvador
Barataria
10 miles
20 km
Climate risk
Very
low
Low
Moderate
High
Very
high
Extreme
Arkansas
Mississippi
Alabama
Tuscaloosa
Vicksburg
Jackson
Montgomery
Meridian
Louisiana
Natchez
New Orleans
detail below
Gulf of Mexico
100 miles
200 km
Lake Pontchartrain
Levee system
Lake Borgne
surge barrier
New Orleans
Lake
Borgne
Lakeview
Kenner
Lower
Ninth
Ward
French
Quarter
Harvey
Braithwaite
Woodmere
Lake
Salvador
Barataria
10 miles
20 km
Climate risk
Very
low
Low
Moderate
High
Very
high
Extreme
Arkansas
Mississippi
Alabama
Tuscaloosa
Vicksburg
Montgomery
Jackson
Meridian
Louisiana
Natchez
Florida
New Orleans
detail below
Gulf of Mexico
100 miles
200 km
Lake Pontchartrain
Levee system
Lake Borgne
surge barrier
New Orleans
Lakeview
Lake
Borgne
Kenner
Lower
Ninth
Ward
French
Quarter
Harvey
Braithwaite
Woodmere
Lake
Salvador
Barataria
10 miles
20 km
Climate risk
Very
low
Low
Moderate
High
Very
high
Extreme
Arkansas
Mississippi
Alabama
Tuscaloosa
Vicksburg
Montgomery
Jackson
Meridian
Louisiana
Natchez
Florida
New Orleans
detail below
Gulf of Mexico
100 miles
200 km
Lake Pontchartrain
Levee system
Lake Borgne
surge barrier
New Orleans
Lakeview
Lake
Borgne
Kenner
Lower
Ninth
Ward
French
Quarter
Harvey
Braithwaite
Woodmere
Lake
Salvador
Barataria
10 miles
20 km