
(On Friday March 1, 2012 a second powerful tornado outbreak hit Midwest).
Missouri, Illinois, Kentucky, Indiana, Tennessee and Kansas were hit by storms and powerful tornadoes.
Tornado is also known as twister.
At least 13 people were killed and hundreds were injured by the disaster.
The storms produced 35 tornado reports from late Tuesday through Wednesday.
A very powerful tornado rated an EF-4 badly damaged a Harrisburg residential neighborhood and shopping district.
In 2011, Joplin in Missouri was badly hit by a very powerful tornado.
550 people were killed by tornadoes in the USA last year.




