May Take up to a Year to Fully Repair St. Louis Airport due to April Tornado CheapOair Staff June 2, 2011 general Tornado badly damages St. Louis airport The April 22 tornado that ravaged St. Louis, Missouri on April 22 caused serious damage to Lambert Airport. It could take up to one year to completely repair the airport due to the twister. While much of the airport is a mess (Concourse C saw the most damange), fortunately no one was killed. Airport officials estimated it will take up to 12 months to bring the airport back up to code, including a new roof and new windows in Terminal 1. .