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.

It tracked northwestward, briefly strengthening to a 50 mph tropical storm before upper-level winds caused it to dissipate on the 11th.

It turned to the northeast, became a tropical storm, and reached a peak of 60 mph winds before hitting Bangladesh on the 9th.

From November 9 to the 11th, Tropical Storm Three existed over the open Arabian Sea, dissipating due to vertical shear.