CBS News
This dramatic photo of a giant twister in the rear-view mirror was taken by a driver leaving Moore, Okla., as a series of tornadoes, up to a mile wide in total, caused devastation across Oklahoma City's suburbs on May 20, 2013.
KWTV
A tornado spotted near Oklahoma City May 20, 2013.
CBS News
A massive tornado ripped through Oklahoma City on May 20, 2013.
KWTV
A tornado rips through the Oklahoma City on May 20, 2013.
CBS News
Another very large tornado was seen touching down near Oklahoma City, Okla. on Monday afternoon, May 20, 2013.
CBS News
Debris is kicked up by a twister, one of several tornadoes that struck parts of the nation's midsection Sunday, May 19, 2013.
CBS News
One of several twisters which touched down near Shawnee, OK., on May 19, 2013.
CBS News
A massive twister is caught on tape by storm-chasers as it touches down near hard-hit Shawnee, Okla., May 19, 2013.
AP Photo Alonzo Adams
A tornado moves past homes in Moore, Okla., May 20, 2013.
AP Photo Alonzo Adams
A tornado moves past homes in Moore, Okla., Monday, May 20, 2013. A monstrous tornado roared through the Oklahoma City suburbs, flattening entire neighborhoods with winds up to 200 mph, setting buildings on fire and landing a direct blow on an elementary school.
AP Photo Alonzo Adams
A tornado moves past homes in Moore, Okla., May 20, 2013.
Caught on tape: Video shows a tornado ripping through Newcastle, Texas, on May 17, 2013.
