Simplify the following text for a Grade 8 native English-speaking person.
Original: The World Meteorological Organization retired three names in the spring of 2004 : Fabian , Isabel , and Juan . They were replaced in the 2009 season by Fred , Ida , and Joaquin respectively .
Simplified: In spring 2004 , the names Fabian , Isabel , and Juan were retired and replaced by Fred , Ida , and Joaquin on the list for 2009 .