 Accelerating southeastwards, Bruce transitioned into an extratropical cyclone on December 24, ceasing Météo-France's monitoring operations.In late December 2013, computer forecast models began to predict the development and cyclogenesis of a disturbance within the monsoon trough north of Madagascar.At 1800 UTC on December 27, the Joint Typhoon Warning Center (JTWC) noted a discrete area of disturbed weather approximately north-northwest of Réunion that corresponded with model forecasts and had the potential to develop.