Dhaka, Oct. 28 -- The long-term trend in cyclone formation in the Bay of Bengal shows no clear rise in the number of storms in October.

But any low-pressure system that forms in the month is more likely to become a cyclone in favourable conditions.

Meteorologist Abul Kalam Mallik said data from 1900 to 2025 shows the total number of October cyclones in the Bay has fallen, but the share of those that grow into very severe or catastrophic storms has risen.

Cyclone Arnab, which formed in the Bay two days ago, has already become a very severe cyclonic storm.

It is racing towards India's Andhra Pradesh coast with winds of 150kmph.

The Indian Meteorological Department has forecast that Arnab may cross the coast around noon on Wednesday.

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