The maritime ports of Chattogram, Cox’s Bazar, Mongla and Payra have been advised by the Met Office to keep hoisted local cautionary signal number 3.
Squally weather is likely to affect the maritime ports and adjoining coastal areas as steep pressure gradient lies over the North Bay, Met Office said in a bulletin on Thursday (Sept 12).
Fishing boats and trawlers over the North Bay have been advised to come close to the coast and proceed with caution till further notice, the bulletin added.
Besides, light to moderate rain or thundershowers accompanied by temporary gusty or squally wind is likely to occur at most places over Khulna, Barishal, Chattogram, Rangpur and Sylhet divisions and at many places over Rajshahi, Dhaka and Mymensingh divisions in the next 24 hours ending at 9am Friday [Sept 13] as monsoon is active over Bangladesh and strong over the North Bay, Met Office weather forecast said.
Moderately heavy to very heavy rainfalls is likely to occur places over the country during this period.
The axis of monsoon trough runs through Rajasthan, Haryana, Uttar Pradesh, Madhya Pradesh, Bihar, Gangetic West Bengal to Assam across the central part of Bangladesh. One of its associated troughs extends up to North Bay, the forecast added.
Day temperature may fall slightly and night temperature may remain nearly unchanged over the country during the period, it added.
The highest rainfall in the last 24 hours as of 6 am Thursday was recorded 195 mm at Teknaf in Chattogram division.