Article Photos: Crews begin cleanup operation Tuesday in Norman 52/99

Pam Nelson stands inside the home of her mother-in-law Wilma Nelson in Woodward, Okla., Sunday, April 15, 2012. Wilma Nelson also survived a tornado in Woodward in 1947. A tornado that killed five people struck Woodward, Okla., shortly after midnight on Sunday, April 15, 2012.  Photo by Bryan Terry, The Oklahoman