October 24, 2017 at 11:39PM

Yesterday's rainfall activity was over coastal Tamilnadu and N Andhra.

Chennai Nungambakkam 21mm

Pondicherry 34

Cuddalore 54mm

Today, a low-level trough seen from NNE Bay to SW Bay... and it is expected to drop a circulation over S-central Bay in next 18hrs.

This trough is creating scattered T showers over central,SE,coastal Tamilnadu now, 2pm.

Another SW tilted trough at low-levels seen from W Bay to E Arabian sea (along Karnataka coast).

.. and this will pop scattered T showers ALL along from W,NW Karantaka to E,central,N Andhra in next 12hrs.

In next 30hrs, SW-central Bay is expected to drop a low-level circulation and a weak easterlies is expected to push into East Bay !  In next 30hrs, SE Arabian sea is also expected to pop a circulation.. this is #GoodNews for S Andhra & #Tamilnadu 's NE #Monsoon onset !!

So, NE #monsoon style rain ahead for S #Andhra coast, #Chennai , N-coast #Tamilnadu from late-evening of 24th to 27th.

On 25/26th October a weak NE #monsoon onset expected along S Andhra and N Tamilnadu.

A strong easterlies expected after 31st.

October 21, 2017 at 11:26PM

Today's rain over Pollachi Zone.. https://t.co/2J20CnwfEH #iwm

— Indian Weather Man (@weatherofindia) October 21, 2017

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October 21, 2017 at 08:17PM

Upcoming SE Arabian sea circulation and its pull affect can give rain along S-coast #andhra, N, interior #Tamilnadu , #chennai on 25,26 #iwm

— Indian Weather Man (@weatherofindia) October 21, 2017

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October 21, 2017 at 08:14PM

A circulation expected along SE Arabian sea on 25th, which will help the wind reversal along SE coast of India. #iwm http://pic.twitter.com/cTm09Tbw77

— Indian Weather Man (@weatherofindia) October 21, 2017

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October 21, 2017 at 08:06PM

Monday - scattered T showers for S,central,W Karnataka, S,central Andhra. #iwm

— Indian Weather Man (@weatherofindia) October 21, 2017

For more tweets follow :: @weatherofindia

October 21, 2017 at 08:05PM

Sunday - scattered T showers for N,NW,N-central Karnataka, Telangana and N Andhra. #iwm

— Indian Weather Man (@weatherofindia) October 21, 2017

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October 21, 2017 at 08:04PM

On Sunday, a SW tilted low-level trough is expected from N Bay to E-central Arabian sea. #iwm http://pic.twitter.com/ZfWd4Xidl3

— Indian Weather Man (@weatherofindia) October 21, 2017

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October 21, 2017 at 07:44PM

After this #TyphoonLan , E,SE Bay can expect its first easterly wave on 30-Oct .
So NE #monsoon for #Tamilnadu can be around 31st ! #iwm

— Indian Weather Man (@weatherofindia) October 21, 2017

For more tweets follow :: @weatherofindia

October 21, 2017 at 07:31PM

Rains along S,central #Kerala will go down or cease after 10am of #Sunday . #iwm

— Indian Weather Man (@weatherofindia) October 21, 2017

For more tweets follow :: @weatherofindia