Thunderstorms accompanied by violent lightning are likely to occur at several locations in Western, Southern, Sabaragamuwa, Central, Uva and Eastern provinces and in Kurunegala and Polonnaruwa districts, a said the Department of Meteorology in a weather advisory issued today.
There can be temporary localized strong winds during thunderstorms.
The general public is urged to take the necessary precautions to minimize damage caused by lightning.
The area of low pressure over the southeast Bay of Bengal moved east-northeast and was centered at 8:30 a.m. on March 18 over the southeast Bay of Bengal and adjoining the southern Sea from Andaman.
It is likely to continue to move east and northeast and intensify into a depression by March 20.
There may be very heavy showers or thunderstorms, strong winds (40-50) km/h gusting up to 60 km/h associated with very rough seas in the aforementioned sea areas.
Naval and fishing communities are advised not to venture into the central parts of the South West Sea Zone of the Bay of Bengal bounded by 03S-11N and 88E-96E until further notice.
The fishing and marine communities are asked to pay attention to future forecasts issued in this regard.