Simplify the following text for a Grade 8 native English-speaking person.
Original: The official beginning of the season was on June 1 , 2003 , though Subtropical Storm Ana formed on April 20 , well before the start to the season . When Ana transitioned into a tropical cyclone the next day , it became the first Atlantic tropical storm on record in the month of April .
Simplified: Ana started as Subtropical Storm Ana on April 20 , it later became Tropical Storm Ana .