Why is it raining non-stop in #Chennai ?? More rain ahead !!

Today, the low,mid level circulation is seen over N-central Bay ... http://ow.ly/i/2ShZX 

The upper level (500hpa) circulation is seen over S,S-central Bay ... http://ow.ly/i/2Si6n 

In next 12hrs, the low level (850hpa) circulation is expected to drift West towards Odisha coast.
Meanwhile the 700hpa circulation is expected to drift West towards N-E.Andhra coast ... http://ow.ly/i/2SicN 
And in 24hrs the upper level circulation will drift near (or push in) to N,central Tamilnadu coast, #Chennai ... http://ow.ly/i/2Silp 

In 24hrs, a good North South trough expected along S-E coast from N.Odisha to N,central Tamilnadu coast ... http://ow.ly/i/2Sitl 

Models suggest, HEAVY and prolonged rain to persist along S,central Andhra coast, N.Tamilnadu and N-E,central Tamilnadu coast for next 36hrs
HEAVY rain expected for #Chennai, N. Tamilnadu coast, S,central.Andhra coast during next 36hrs http://ow.ly/i/2Sizk 

WET #Independence day ahead for #Chennai, N.Tamilnadu coast and especially for S,central Andhra coast.
Till 16-Aug, moderate rain also expected for S.Karnataka and #Bangalore.