Complex sentence: The Atlantic basin hurricane season in 2005 was the busiest on record, with a total of twenty-eight storms, beginning with Tropical Storm Arlene and ending with Tropical Storm Zeta, which carried the hurricane season over to the year of 2006.
Split into simpler sentences: The Atlantic basin hurricane season in 2005 was the busiest on record, with a total of twenty-eight storms. The season began with Tropical Storm Arlene and ended with Tropical Storm Zeta, which carried the hurricane season over to the year of 2006.