Complex sentence: David Thomas Boreanaz (born February 14,1936), who was the main weatherman for WPVI-TV in Philadelphia, Pennsylvania, from 1983 until his retirement in 2009.
Split into simpler sentences: David Thomas Boreanaz (born February 14,1936), was an American television broadcaster. He was the main weatherman for WPVI-TV in Philadelphia, Pennsylvania, from 1983 until his retirement in 2009.