So until then, when you hear the tornado sirens or tornado warning, take cover immediately.

CNN: The making of a nightmare tornado

They're hoping for a little peace, far away from tornado sirens.

NPR: 3 min 47 sec

Moore resident Chazlie Jones and her family heard the shrieking tornado-warning sirens begin on their drive home shortly after 3 p.m.

WSJ: Oklahoma Grapples With Tornadoes' Toll

Meanwhile, Moore resident Chazlie Jones and her family heard shrieking tornado-warning sirens go off on their drive home shortly after 3 p.m.

WSJ: After Oklahoma Tornadoes, Rescue Efforts Focus on Survivors

This steady stream lasted 5 or 6 minutes before the sirens went off, indicating a tornado on the ground.

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