the 2019 north indian ocean cyclone season was the annual cycle of tropical cyclone formation. the north indian ocean cyclone season has no official bounds, but cyclones tend to form between april and december, with two peaks in activity in may and november. these dates conventionally delimit the period of each year when most tropical cyclones form in the northern indian ocean. the season's first named storm, pabuk, entered the basin on january 4, becoming the earliest-forming cyclonic storm of the north indian ocean on record.