Rainfall forecast for #Chennai from Friday evening to Saturday morning !!
More on this coming up at 4pm !

Yesterday's circulation over S-E Arabian sea has moved west and active in upper-levels only ... http://ow.ly/i/aun6s 

Today, at low-levels 850hpa, a circulation is seen over Bihar, N Bengal.
And
Low-level N-S trough seen from N Chatisgarh to S,S-W Karnataka.
At surface-levels a good N-S trough seen from E Madhyapradesh to N-E Karnataka and N-W Andhra ... http://ow.ly/i/auniC 

In 24 to 36hrs, the low-level circulation over Bihar is expected to persist and drift West ... http://ow.ly/i/aunm3 
Meanwhile, the low-level N-S trough from E-central India to S Karnataka to persist till Friday night ... http://ow.ly/i/aunpp 
On 25-Apr, this N-S trough is expected from Punjab to S Karnataka ... http://ow.ly/i/aunrA 

On Friday, good surface level circulation expected along S,S-central Andhra ... http://ow.ly/i/aunup 

The expected upper-level trough from E-central India to S,S-W Karnataka and to Lakshadweep will take shape in 24hrs http://ow.ly/i/aunyC 
Upper-level N-S trough will be slightly slanted to S-W and will drift East towards West Bay, N-E India on 25,26-Apr http://ow.ly/i/aunDv 

Rainfall forecast 
~~~~~~~~~~~~~~~~~~~~

Today, scattered HEAVY T showers for W-ghats,W,S-W,S,central Karnataka, W-ghats, interior Kerala to W-ghats,N,N-W Tamilnadu.
Today again... Nor'westers for S,central,N-E Odisha, E Bihar, N,central Bengal ... http://ow.ly/i/aunOv 
Today evening into midnight...
HEAVY T showers for S,central,N-E Andhra and over S-E,E Karnataka .. http://ow.ly/i/aunTE 
Today before midnight...
Some scattered T showers also for S,central chatisgarh
AND
Heavy T showers for many zones of N-E states.

Weather Instagram at April 23, 2015 at 09:32AM

Bangalore - 8:30am, Low clouds moving fast from SW to NE. #weather

from Instagram

The Sight of the Night !!! 21st April 2015 , Kolkata , Thunderstorm !

On a Total Unprecidental Situation , a Nor'wester Packed with a speed of 116 km/h Lashed the city of kolkata on the evening of 21st April .. 

Monsoon Watch - 2...2015

Further Analysis of the parameters as discussed in MW-1. on Vagaries.

Weather Instagram at April 22, 2015 at 11:51PM

10:30pm, today's Nor'westers over S,NE Odisha, S-central, N Bengal. #weather

from Instagram

Weather Instagram at April 22, 2015 at 08:07PM

Bangalore - 6pm, the T shower which approached city and got fizzled out. #weather

from Instagram

Weather Instagram at April 22, 2015 at 07:56PM

5:10pm, its raining in Gangtok, Sikkim. #weather

from Instagram

Weather Instagram at April 22, 2015 at 07:53PM

4:30pm, T showers in Belgaum. #weather

from Instagram

Weather Instagram at April 22, 2015 at 03:12PM

Belgaum - 3pm, T showers over East, mostly over Bailhongal. #weather

from Instagram