Complex sentence: Years later, Jo (Helen Hunt), who is now a meteorologist, is reunited with her estranged husband, Bill Harding (Bill Paxton), who is a former weather researcher and storm chaser who has since become a weather reporter.
Split into simpler sentences: Years later, Dr. Jo Harding (Helen Hunt) is reunited with her estranged husband, Bill Harding (Bill Paxton). Bill is a former weather researcher and storm chaser who has taken a job as a weather reporter.