sentences:  On 4 February, the Tropical Cyclone Warning Centre (TCWC) in Perth identified a Tropical Low South west of Christmas Island, and began issuing shipping warnings.Initially it was predicted that the system would intensify into a tropical cyclone but later on 4 February, the cyclone began to weaken with the final gale warnings being issued by TCWC Perth later that day.Over the next few days the system drifted eastwards and then on 6 February began showing signs of intensification.