Soon after Pabuk crossed over into the basin, the IMD started to make warnings on the storm, making Pabuk the earliest-forming cyclonic storm for this basin, as well as the first cyclonic storm with a name originally assigned by RSMC Tokyo. Over the few days days, Pabuk continued moved west-northwestward, before weakening into a well-marked low on January 7. The system's remnant low then turned to the northeast. Finally, it disappeared on January 8.