Tragedy when Tornado flattened Elementary school in Oklahoma City suburb

The  tragedy following the deadly tornado in Moore, Oklahoma  yesterday:

Comparison: Here are the paths of tornadoes over the years in the Moore, Oklahoma area, with the red line showing the May 3, 1999 Tornado Path. The blue line corresponds to the May 8, 2003 path and green refers to the May 20, 2013 path

Videos can be viewed here:
http://www.dailymail.co.uk/news/article-2328071/Oklahoma-Tornado-Video-Watch-horrific-moment-family-emerges-storm-shelter-damage.html

http://www.huffingtonpost.com/2013/05/21/oklahoma-tornado-aftermath-moore_n_3311361.html

http://www.dailymail.co.uk/news/article-2328040/Oklahoma-tornado-2013-Twister-worst-recent-memory-including-hit-town-1999.html

http://www.dailymail.co.uk/news/article-2328040/Oklahoma-tornado-2013-Twister-worst-recent-memory-including-hit-town-1999.html