Complex sentence: The Marion, Illinois tornado touched down near Carterville, Illinois at 3:00 P.M. resulting in damage to a subdivision near John A. Logan College, the tornado then tracked into downtown Carterville then tracked southeast into Crainville, Illinois.
Split into simpler sentences: The Marion, Illinois tornado touched down near Carterville, Illinois at 3:00 PM resulting in damage to a subdivision near John A. Logan College. The tornado then tracked into downtown Carterville then tracked southeast into Crainville, Illinois.