ECONOMYNEXT – Sri Lanka’s Meteorological Department on Thursday (25) warned of heavy rainfall and possible flooding that may occur due to low-level atmospheric disturbance over south-eastern Sri Lanka.
The Met Department said the prevailing atmospheric disturbance, which also adjoins the southwestern Bay of Bengal, has developed into an area of ââlow pressure and is currently located to the east of the island.
The department said that under the influence of this system, heavy showers of over 100 millimeters can be expected in parts of the provinces of East, Uva, Sabaragamuwa, Center, North-West, West and South and in Polonnaruwa district.
“Rather heavy showers above 75mm can be expected elsewhere on the island,” he said.
Meanwhile, the irrigation department said that with the dam gates open, the Deduru Oya reservoir in Wariyapola is discharging at a rate of 27,800 cubic feet per second at the time of writing.
The department said the decision to open the dam gates was made due to the considerable rainfall that has occurred in the watersheds upstream of the Deduru Oya basin since Wednesday (24).
“Due to the upcoming precipitation, the spills will be increased,” he said in a statement.
After analyzing this situation, the department said, there is a significant possibility of a flood situation in the lower areas of the Deduru Oya valley, namely in Wariyapola, Nikaweratiya, Mahawa, Kobeigane, Bingiriya, Pallama, Chilaw, Arachchikattuwa and the Rasnayakapura district secretariat. divisions.
The department has asked residents and people circulating in these areas to be vigilant. (Colombo / November 25/2021)