Depression over Bay of Bengal likely to turn into cyclonic storm

The depression in Andaman and Nicobar Islands surrounding southeast Bay of Bengal evolved in a deep depression while intensifying into a cyclonic storm "Vardah."

The system is very likely to intensify into a severe cyclonic storm during the next 24 hours and it is expected to make a landfall in Andhra Pradesh coast on December 12, the Met Department said on Thursday.

Citing a less marked upper air cyclonic circulation over south Tamil Nadu and neighbourhood, the department said rain or thundershowers are likely to occur at isolated places over Tamil Nadu and Puducherry in the next 48 hours. 

In a bulletin, the department said the depression over Southeast Bay of Bengal on Wednesday moved westward and concentrated into a deep depression.

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It further moved northwestwards and concentrated into a cyclonic storm, "Vardah" over Southeast Bay of Bengal early today, it said.

It lay about 1040 kilometres of Visakhapatnam, 360 kilometres Northwest of Car Nicobar and 240 kilometres West-southwest of Port Blair.

"The system is very likely to intensify further into a severe cyclonic storm during next 24 hours," the department said.

The cyclonic storm is very likely to move nearly Northwards for some more time, then Northwestwards and cross Andhra Pradesh coast between Nellore and Kakinada around forenoon/noon of 12 December.

"There is possibility of slight weakening of the system before landfall," the department said.

Light to moderate rainfall is expected at many places with isolated heavy falls with squally winds over coastal Andhra Pradesh from 11 December evening, the department said.