Complex sentence: Allen is a graduate of Farmingdale High School; he earned his bachelors degree from Stony Brook University in 1979 and has been the chief meteorologist on WCBS since 1980.
Split into simpler sentences: Allen is a graduate of Farmingdale High School. He earned his bachelors degree from Stony Brook University in 1979 and has been the chief meteorologist on WCBS since 1980.