These dates conventionally delimit the period of each year when most tropical cyclones form in the northern Indian Ocean.

An average of five tropical cyclones form in the North Indian Ocean every season with peaks in May and November.

[2] On April 30 the monsoon trough spawned a tropical depression in the western Bay of Bengal.

Its movement became more to the east, and the cyclone continued to quickly intensify, reaching a peak of 145 mph winds just before landfall.

The small and compact cyclone hit southern Myanmar on the 4th, and it dissipated the next day over land.