Complex sentence: The Westchester Tornado was an F2 tornado that touched down in Rockland County, New York on July 12,2006 which traveled 13 miles (20.9 km) into southwestern Connecticut during a 33 minute span through two states.
Split into simpler sentences: The Westchester Tornado was an F2 tornado that touched down in Rockland County, New York on July 12,2006. The tornado tracked for 13 miles (20.9 km) into southwestern Connecticut during a 33 minute span through two states.