There were nearly 1700 tornadoes recorded in the United States alone in 2011 and many more worldwide. In total the world saw 65 killer tornadoes that year (of which 59 were in the U.S.) that resulted in a total of 570 deaths (of which 553 were in the U.S). The deadliest of these tornadoes was the one which struck Joplin, Missouri, Killing 158 people.
Here are the killer tornadoes of 2011, arranged by date. Tornadoes with 20 or more deaths are in bold.
February 28
March 5
April 4
April 5
April 14
April 15
April 16
April 25
April 27
May 7
May 10
May 21:
May 22
May 24
June 1
August 2
August 10
August 19
August, 21
October 2
November 16
10 people died on April 24, 2010 from a tornado in Mississippi.
The Andover tornado killed 17 people.
The Tri-State tornado killed 695 people.
The most recent killer tornado, which occurred in North Carolina on November 16, 2011, killed 2 people. It touched down less than an hour after another tornado in South Carolina that killed 3 people.
The Kirksville, Missouri tornado of May 13, 2009 killed 2 people.
There were no tornado-related deaths in Illinois in 2011.
Tornadoes killed 12 people in Arkansas in 2011.
The Goderich, Ontario tornado of 2011 killed 1 person.
If you mean the Sedalia, Missouri tornado of May 25, 2011, there were no deaths from that particular tornado.
The tornado that hit Smithville, MS on April 27, 2011 killed 23.
In 2011 tornadoes killed 570 people, 553 in the U.S.
158 people were killed by the Joplin tornado. Another tornado on the same day killed 1 person in the Minneapolis area.
The Tuscaloosa, Alabama tornado of April 27, 2011 killed 64 people, making it the second deadliest tornado in Alabama history. Another tornado hit Tuscaloosa on December 16, 2000, killing 11 people.
10 people died on April 24, 2010 from a tornado in Mississippi.
The Andover tornado killed 17 people.
The Tri-State tornado killed 695 people.
The most recent killer tornado, which occurred in North Carolina on November 16, 2011, killed 2 people. It touched down less than an hour after another tornado in South Carolina that killed 3 people.