sentences:  However the next day the system became extratropical as it was about southwest of Tonga'tapu.On January 26, RSMC Nadi and the JTWC started to monitor a weak tropical disturbance that had developed within a monsoon trough about to the northeast of Rotuma.The disturbance initially moved towards the southeast before it recurved and started to move towards the southwest and Fiji during the next day, while gradually developing further in an area of low vertical windshear.