sentences:  At the start of the Tropical Cyclone Year in July, tropical lows that developed into tropical cyclones were named by one of the four tropical cyclone warning centres, which each had their own list of names.However, by January 2008, a fifth TCWC in Jakarta, Indonesia had become operational and subsequently in April 2008 named Tropical Low 23U, Durga.In November 2007, TCWC Port Moresby named Tropical Low 03U, Guba which was the first time that they had named a system since Tropical Cyclone Epi in 2002–03.