Coverage of the deadly tornado that demolished homes and schools in Oklahoma on May 20.

Tuesday, May 21, 2013 at 06:10 PM EDT

By The Numbers: Oklahoma Tornado

By The Numbers: Oklahoma Tornado

Miles and minutes. Oklahoma's tornado, by the numbers.

Tuesday, May 21, 2013 at 01:04 PM EDT

Storm Chopper View of Tornado

Storm Chopper View of Tornado

Listen in to pilot as he describes the scene.

Tuesday, May 21, 2013 at 12:28 PM EDT

Philly Volunteers Head to Oklahoma

Philly Volunteers Head to Oklahoma

The local Red Cross is responding to help tornado victims in Oklahoma.

Wednesday, Jul 17, 2013 at 04:17 PM EDT

Philly Reacts to Oklahoma Tornado on Twitter

Philly Reacts to Oklahoma Tornado on Twitter

Philly reacts to the Moore, Oklahoma tornado on Twitter.

Tuesday, May 21, 2013 at 06:02 AM EDT

On the Ground in Oklahoma

On the Ground in Oklahoma

NBC10's Keith Jones and Sheena Parveen talk about the damage left by the deadly Oklahoma tornado that claimed dozens of lives.

Tuesday, May 21, 2013 at 12:16 PM EDT

Tornado Devastation Video

Tornado Devastation Video

These images were captured the day after the tornadoes in Moore, Oklahoma by NBC10 Video Journalist Brian Iacone

Tuesday, May 21, 2013 at 01:04 PM EDT

Tornado Social Media Tracking

Tornado Social Media Tracking

Cell phones and Twitter feeds give a look at the devastation.

Tuesday, May 21, 2013 at 12:26 PM EDT

Elementary Schools Take Direct Hit

Elementary Schools Take Direct Hit

Young survivors are thanking teachers for saving their lives.

Wednesday, May 22, 2013 at 10:46 AM EDT

Deadliest Tornadoes in U.S. History Since 1900

Deadliest Tornadoes in U.S. History Since 1900

Most remember the 158 deaths in Joplin, Mo., tornado in 2011, but it was not the worst in the past century. Others have included 695 deaths, March 18, 1925, in Missouri, Illinois and Indiana and 216 deaths...

Monday, May 20, 2013 at 01:48 PM EDT

Caught On Cam: Anchors Take Cover

Caught On Cam: Anchors Take Cover

The TV newsroom of NBC affiliate KSN in Wichita, Kansas was forced to evacuate during a live broadcast on Sunday after a massive tornado, one of three that ripped through the Plains States over the weekend...

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