New Castle County Police are today searching for a missing teenager.

Police say 13-year-old Autumn Lemon was last seen Tuesday afternoon around 4:30 leaving her home in the 1900 block of West Zabenko Drive in the community of Woodmill Village in Wilmington.

Police say Lemon COULD have been upset as a result of an argument she had on Monday with a family member.

Lemon is white, 5’5” tall, 135 pounds, with brown hair and brown eyes; she was wearing gray sweatpants and a white Aeropostale sweatshirt.