Heavy rain to drench Bangladesh, raising risks of landslides and waterloggingHeavy rain to drench Bangladesh, raising risks of landslides and waterlogging

A low-pressure system has formed in the Bay of Bengal and is set to trigger heavy rain across Bangladesh, including Dhaka.

In a special bulletin on Sunday, the Bangladesh Meteoroligical Department (BMD) said that parts of the Rangpur, Rajshahi, Dhaka, Mymensingh, Chattogram, and Sylhet divisions may see very heavy rain in the 72 hours from 9am on Sunday.

The very heavy rain could also trigger landslides in the hilly parts of the Chattogram Division. The bulletin also warns of temporary waterlogging in parts of the Dhaka and Chattogram cities due to heavy rain.

The low-pressure system over the west-central and adjoining northwest Bay of Bengal has moved west- northwest and now lies over Telangana its adjoining areas. The axis of monsoon troughs runs through Rajasthan, Haryana, Uttar Pradesh, Madhya Pradesh, Bihar, West Bengal to Assam across central Bangladesh. The Monsoon is active over Bangladesh and moderate over the north bay.

Under its influence, most of the Rangpur, Rajshahi, Mymensingh, Khulna, Barishal, Chattogram, and Sylhet divisions will see light to moderate rain or thundershowers accompanied by temporary gusty winds.

Parts of the Rangpur, Rajshahi, Mymensingh, Dhaka, Chattogram, and Sylhet may see moderately heavy to very heavy rain.

Rain is considered moderately heavy if 23-43mm is recorded over a 24-hour period, 44-88mm is considered heavy, while over 88mm is considered very heavy.

The BMD says day and night temperatures in the country may cool by 1-2 degrees Celsius due to the rain.

Pabna’s Ishwardi recorded the highest temperature in the country over the past 24 hours at 35.5 degrees Celsius. The lowest was 24.2 degrees Celsius in Sylhet.

Chattogram saw the most rain over the time period with 126mm, followed by Rangamati at 87jmm, Sandwip at 80mm, and Tentulia at 39mm.