sentences:  On 14 November, TCWC Perth upgraded the tropical low to tropical cyclone status and assigned it the name Lee, while the cyclone was still in TCWC Jakarta's area of responsibility.Later that day, the Joint Typhoon Warning Center (JTWC) issued a Tropical Cyclone Formation Alert on Tropical Cyclone Lee, and then designated the storm as Tropical Cyclone 03S shortly after.The TCWC in Perth upgraded Lee to category 2 on 15 November.