Simplify the following text for a Grade 8 native English-speaking person.
Original: When Hurricane Emily reached Category 5 intensity later in the month , the 2005 season became the only season to have two hurricanes reach Category 4 intensity before the end of July ; Emily also broke Dennis 's nine-day-old record for the strongest storm on record before August .
Simplified: Hurricane Emily was the strongest and only known category 5 hurricane in July .