Complex sentence: As damage was minimal, the name "Elena" was re-used in the 1985 season, which caused great destruction along the Gulf Coast of the United States; its name was retired and replaced with "Erika" for the 1991 season.
Split into simpler sentences: As damage was minimal, the name "Elena" was re-used in the 1985 season. The Elena in 1985 caused great destruction along the Gulf Coast of the United States; its name was retired and replaced with "Erika" for the 1991 season.