Amaravati, Oct. 18 -- An upper air cyclonic circulation lies over the south Andaman Sea and adjoining southeast Bay of Bengal, extending up to 1.5 km above mean sea level.
Under its influence, a low-pressure area is likely to form over the southeast Bay of Bengal around October 21, the Meteorological Centre said on Saturday.
It is expected to move west-northwestwards and intensify further into a depression over the central parts of the south Bay of Bengal and adjoining west-central Bay of Bengal during the subsequent 48 hours, the Met office added.
In its daily weather report, the department said that Friday's upper air cyclonic circulation over the southwest Bay of Bengal and adjoining Comorin area now lies over the Gulf of Mannar and n...