View Post CBS Affiliates | ShopTalk Dave Barnes, Former WWL Chief Meteorologist, Has Died By Mark Joyella on Sep. 16, 2014 - 9:01 AM Dave Barnes, who was chief meteorologist for more than a decade at New Orleans CBS affiliate WWL, died Saturday in Florida of complications from cancer. He was 78. Barnes retired in 1997. “Dave was the consummate professiona ...