Simplify the following text for a Grade 8 native English-speaking person.
Original: The season officially lasted from June 1 , 2000 , to November 30 , 2000 , dates which conventionally delimit the period of each year when tropical cyclones tend to develop in the Atlantic basin .
Simplified: The season officially started on June 1 , 2000 , and it ended on November 30 , 2000 . This time period is when tropical cyclones usually form in the Atlantic Ocean .