Gulf Shores may have long embraced the slogan “Small Town, Big Beach,” but after Tuesday’s historic snowfall blanketed the coastal city with 8.75 inches, a new catchphrase is gaining ground: “Small Town, Big Snow.” This winter wonderland now boasts more snow than Washington, D.C., and even cities in Big Ten country. “It seems unusual that we would be on par with them,” said Anna Stuck, a …