Chennai, Dec 14 (GCCurrentAffairs) The deep depression over southeast Bay of Bengal on Friday moved north-northwestwards and lay centred about 700 km east southeast of Trincomalee (Sri Lanka), 960 km east-southeast of Chennai and 1,130 km south-southeast of Machilipatnam (Andhra Pradesh).
Met office sources said it is very likely to intensify further into a Cyclonic Storm during the next 12 hrs and into a Severe Cyclonic Storm in the subsequent 36hrs.
Once it becomes a Cyclone it would be named ‘Phethai’, a name given by Thailand. It is very likely to move north-northwestwards and cross Andhra Pradesh coast between Ongole and Kakinada on the afternoon of December 17.
Under its influence, rainfall would occur at many places with heavy falls at isolated places over coastal Andhra Pradesh and adjoining areas of north coastal Tamil Nadu from tomorrow evening.
Rainfall would also occur at most places with heavy to very heavy falls at a few places and extremely heavy falls (in excess of 20 cm) at isolated places over coastal Andhra Pradesh on Sunday and Monday.
Squally wind speed reaching 45-55 kmph and gusting to 65 kmph was likely along and off Andhra Pradesh, North Tamilnadu and Puducherry coasts from tomorrow evening.
‘It is very likely to increase gradually becoming gale wind speed of 80-90 kmph along and off Andhra Pradesh coast from the forenoon of December 17’, Met office said.