Weather conditions were ideal for tornado that slammed Oklahoma
Tuesday, May 21, 2013 - 23:30
in Earth & Climate
The powerful twister that hit Moore was a result of the right atmospheric conditions, as well as bad luck: It was the third time since 1999 that the town has been struck by a powerful tornado.The city of Moore, Okla., was struck by a devastating tornado Monday because all the familiar ingredients were in place to spawn such a massive storm.