Simplify the following text for a Grade 8 native English-speaking person.
Original: Wilma was only the third Category 5 ever to develop in the month of October and with the formation of Hurricane Wilma , the 2005 season became the most active on record , exceeding the 21 storms of the 1933 season .
Simplified: With Wilma , the 2005 hurricane season broke the record for most storms in a season previously held by the 1933 season .