Present low,mid-level circulation over SE-corner Arabian sea is expected to move NNW in next 30 to 42hrs. Heavy rain ahead for South Kerala, S-tip Tamilnadu (Kanyakumari district) from Wednesday, 13-Sep, Morning/noon. The circulation "may" intensify slightly and continue upto central/North coast Karnataka on Friday. As this circulation moves North, the present easterly feel over Chennai and Tamilnadu will end on Thursday.
Today, LWD is seen again over and along W-ghats from NW Maharastra to S-tip Tamilnadu.
And the belt from NW Maharastra to Odisha.
In next 24hrs, the marked zone will get scattered moderate rain.
Few places over Odisha, S Jharkhand, SW Bengal can get heavy spell.
On Wednesday and before morning of Thursday..
SW #Monsoon showers for S,central #Kerala and for S-tip Tamilnadu.