#Chennai -Today, 21-Aug. W,S-W,N-W suburbs can get a moderate rain... during next 2 days the showers(if any)  may not push from West to Sea.

#Chennai - 2pm, had a HOT and Humid day so far !!

Today, the expected Low-level trough is seen along S-E coast from S Bengal to S tip Tamilnadu ... http://ow.ly/i/6BZjT 
At low-levels a weak circulation or wind discontinuity is seen over S Karnataka, N,N-W,N-E Tamilnadu, S Andhra... http://ow.ly/i/6BZoO 
This low-level trough and embedded circulation is expected to persist for next 2 days over S-central Peninsula ... http://ow.ly/i/6BZrs 

Today at mid,upper-levels, a circulation is seen over S-E corner Arabian sea along Kerala coast ... http://ow.ly/i/6BZvw 
In next 42hrs, mid-level circulation is expected to consolidate over S Tamilnadu embedded into the trough ... http://ow.ly/i/6BZy2 
GFS expects that the upcoming low,mid-level circulation over S,S-central Peninsula will drift N-N-W along W-ghats upto #Mumbai on 24-Aug !!

Sadly !! Almost NO North Bay LOW expected till 25-Aug !!

At present the N-W India, Pakistan LOW (monsoon axis) is around 1002mb ... this is weak and expected to have a strengthening after 25-Aug!
The present low-level trough over Peninsular India can have good rainfall over Interior zones of peninsula and less along S-W,W coast !

12:30pm, Showers persist over N Bihar, N Bengal ... http://ow.ly/i/6BZQk