New Orleans Mardi Gras Carnival Season 2013 Under Way By Eileen Fleming • Jan 7, 2013 Listen Listening... / 0:51 Carnival season begins. As much of the nation recovers from the frenzied pace of the holiday season, New Orleans is revving up for more parties. This year’s Carnival season also has a major intermission event. New Orleans Plans Set for Safe Mardi Gras By Eileen Fleming • Feb 9, 2012 mardigrasneworleans.com New Orleans Mardi Gras 2012 is under way. City officials have plans in place to make sure it’s safe through Fat Tuesday.