Deep depression, 3-4 ft over tidal surges likely
Published: 02:28 PM, 23 October 2020 Updated: 03:59 PM, 23 October 2020
The depression in the north-west Bay of Bengal has turned into a deep depression. The coast, remote islands and chars are at risk of tidal surges 3-4 feet higher than normal.
A special notification has been issued in this regard by the Meteorological Department on Friday morning
The notification said that the deep depression in the north-west Bay of Bengal and surrounding areas is moving further northeast and is located in the same area.
At 6 am on Friday, the low depression was 445 km west-southwest of Chattogram seaport and 240 km southwest of Mongla seaport and 280 km southwest of Payra seaport. It is likely to become more concentrated and move north.
Within 48 kilometers of the deep depression center, the maximum continuous wind speed is 50 kilometers per hour, which inreasing to 60 kilometers in the form of gusts of wind. The sea is rough near the center of the deep depression.
As a result of the deep depression, the coastal districts of Satkhira, Khulna, Bagerhat, Jhalokati, Barguna, Pirojpur, Patuakhali, Bhola, Barisal, Laxmipur, Chandpur, Noakhali, Feni, Chattogram and other remote areas of the islands and chars likely to face three to four feet higher tidal wave than the normal.
Meanwhile, Chattogram, Cox's Bazar, Mongla and Payra seaports have been asked to hoist local warning signal number 4. In addition, all fishing boats and trawlers in the North Bay and the deep sea have been asked to remain in safe shelter until further notice.
Earlier on Thursday, it was warned that heavy (44-88mm) to heavier (more than 89 mm) rain is expected in Rajshahi, Dhaka, Khulna, Barisal, Chattogram, Mymensingh and Sylhet divisions.
Meanwhile, it has been raining all over the country including the capital Dhaka and coastal districts since Friday morning. BIWTA has announced closure of inland navigation in Barishal due to hostile weather.