Happy Birthday, Norah!

Moore, Okla. fire chief Gary Bird has overseen recovery in the city of Moore through devastating and historic tornadoes. He speaks to the "CBS This Morning" co-hosts about current weather conditions in Moore and the continued search and rescue effort.

Longtime Moore, Okla. resident Jerry Gravitt is among those who lost his home in the tornado, which was about a block from the demolished Plaza Towers Elementary School.

Larry Mowry, chief meteorologist at CBS Dallas/Fort Worth station KTVT, discussed the Midwest storm's strength and where it is headed.

From the two elementary schools hit by the twister to a residential area devastated by the storm, CBS News' Mark Strassmann reports the latest from the scene in Moore, Okla.

Two elementary schools -- Briarwood Elementary and Plaza Towers Elementary -- were also hit by the tornado that leveled residential areas in Moore, Okla. "CBS This Morning" co-host Norah O'Donnell reports several children died as a result of the storm.

The tornado that cut through the center of Moore, Okla., destroyed two elementary schools and hundreds of homes. It was the fourth tornado to hit the town in the past 15 years. CBS News' Anna Werner reports from the devastation.