The low-pressure area over southwest Bay of Bengal and adjoining Sri Lanka coast intensified into a well-marked low over the same area at 6am on Wednesday, according to Bangladesh Meteorological Department (BMD).
It is likely to move north-northwesterly direction and intensify further, said the Met office.
Besides, a deep depression over Strait of Malacca and adjoining area intensified into a deep depression first then into a cyclonic storm "Senyar’ over the same area and lay centered at near lat. 5.0°N & long. 98.0°E at 6am on Wednesday.
It is likely to move westwards direction.
All fishing boats and trawlers over North Bay have been advised not to venture into the deep sea till further notice.
