At The Center Of The Storm, Trackers Stay On Guard

May 28, 2011

Right in tornado alley, the staff at the National Storm Prediction Center in Norman, Okla. keep a constant watch on the skies. The weather experts track signs of severe thunderstorms and tornadoes and issue the first alerts. This week's harrowing weather even had some of the storm center's staff heading for shelter. NPR's Cheryl Corley reports.