The man who sounded the alarm in Moore, Okla.

CBSTV Videos
The man who sounded the alarm in Moore, Okla.
Chief forecaster David Andra for the National Weather Service in Norman, Okla., was tracking the storm as it approached Moore, Okla. -- where his daughter's family lives. Andra sent the warning for people to get to shelter. Mark Strassman shares his story.
View Comments (0)