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

[2] Tropical Storm One, which developed in the central Bay of Bengal on May 22, strengthened to a peak of 70 mph winds before hitting Bangladesh on the 25th.

The storm brought torrential rains and flooding, killing around 11,069 people[3] and leaving hundreds of thousands homeless.

It was first detected on 9 October, almost a week before the initial warning was issued, as an area of poorly organized convection in the South China Sea.

Storm surge as high as 2 meters hit the villages of Chilika, Tangi and Krishna Prasad in at the time of landfall which resulted to be submerged for three days.