• Friday, Jan 27, 2023
  • Last Update : 10:24 am

Low pressure in Bay of Bengal to trigger heavy rainfall across Bangladesh

  • Published at 07:12 am July 24th, 2021
File Photo: Heavy rain pours in Dhaka Rajib Dhar/Dhaka Tribune

Cautionary signal 3 for maritime ports, river ports asked to hoist signal number 1

Bangladesh Meteorological Department (BMD) has forecast heavy to very heavy rainfall at some places across Bangladesh including capital Dhaka during the next few days.

A fresh low-pressure area, formed on Thursday, over Northwest Bay of Bengal and adjoining areas of Bangladesh, is responsible for the increased rainfall activity over the country, a Bangladesh Meteorological Department (BMD) bulletin said on Saturday.

Also Read - Thousands of fishermen waiting at seashore amid hostile weather

Meteorologist Ruhul Quddus said: “Heavy rains are expected in many parts of the country, especially in the southwest region, due to the freshly formed low-pressure,” reports Bangla Tribune.

The axis of the monsoon trough runs through Rajasthan, Haryana, Uttar Pradesh, centre of the well-marked low, Gangetic West Bengal to Assam across the southern part of Bangladesh. 

Also Read - Low over Bay of Bengal likely to trigger heavy rains

Monsoon is active over southern part and fairly active elsewhere over the country. Monsoon is strong over North Bay.

Maritime ports of Chittagong, Cox’s Bazar, Mongla, and Payra have been advised to hoist local cautionary signal number three.

Besides, the river ports have been asked to hoist cautionary signal number one.

Light to moderate rain/thundershowers accompanied by temporary gusty/squally wind is likely to occur at most places over Khulna, Barisal, and Chittagong divisions; at many places over Dhaka and Rajshahi divisions and at a few places over Rangpur, Mymensingh, and Sylhet divisions with moderately heavy to heavy falls at places over the southern part of the country. 

Also Read - Cautionary Signal No. 3 for maritime ports as low forms in Bay of Bengal

But, day and night temperatures may remain nearly unchanged across the country.

"Rain or thundershowers accompanied by temporary south or south-easterly gusty or squally wind speed 45-60kmph is likely to occur over the regions of Rangpur,  Rajshahi, Pabna, Bogra, Tangail, Mymensingh, Sylhet, Dhaka, Faridpur, Jessore, Kushtia, Khulna, Barisal, Chittagong and Cox's Bazar wherein river ports shall hoist riverine cautionary signal number one," the bulletin added.

Thus, all fishing boats and trawlers over North Bay have been advised to come close to the coast and proceed with caution till further notice.

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