A deadly patchwork of destructive cyclones is on an apocalyptic path of convergence at a populated Midwest city center. There, the twisters will merge into one mega tornado that threatens to obliterate the cities for hundreds of miles around.
2004
1928
1996
1942
2001
2008
1982
1998
1997
1941
1966
1940
1936
1937
1980
2005
2003
