Simplify the following text for a Grade 9 native English-speaking person.
Original: Lisa formed from a tropical wave on October 5 about midway between Africa and the Lesser Antilles as the twelfth tropical depression of the season . Operationally it appeared that Lisa immediately was a tropical storm , although the tropical cyclone report states that it had originally been a tropical depression .
Simplified: On October 5 Tropical Depression One formed , shortly after it became Tropical Storm Lisa .