RT @WeAreTrivandrum: Cloudy #trivandrum. Chance for an evening shower! #Thiruvananthapuram #Kerala  http://t.co/kO1zyTzYhu (5:22pm)

RT @WeAreTrivandrum: Yes! It is raining here now at #trivandrum, after 2 days!! #Kerala @weatherofindia (5:59pm)

Weather Instagram at August 27, 2014 at 03:42PM

#chennai - 3pm, a mild and fully cloudy day so far. Showers possible after 7pm. #weather

from Instagram

As expected a circulation has formed at all levels over Bay.
Sea level circulation is seen over N-central Bay ... http://ow.ly/i/6Gslu 
The mid,upper-level circulations are slightly tilted to S-S-W.
Upper is seen over W-central Bay ... http://ow.ly/i/6Gsp2 

1:30pm, Due to circulation over Bay.. it is very active over central,West Bay ... http://ow.ly/i/6GsqJ 
1:30pm, Heavy rain along Karnataka coast and N,central Kerala ... http://ow.ly/i/6GsqJ

#chennai - 10:20pm, a T shower system is now pushing into W suburbs.
More rain ahead for the night... http://ow.ly/i/6G27Z

1pm, Massive rain seen all along from S-E Gujarat coast to S Karnataka coast ... http://ow.ly/i/6FGaR 
"central Bay is very active"

Good offshore trough seen along Maharastra coast upto S Karnataka coast ... http://ow.ly/i/6FGhi 
A good upper-level circulation seen along W, coast Maharastra ... http://ow.ly/i/6FGki 
And expected to persist for next 18hrs.

In 24hrs, a strong low,mid-level circulation expected over N-central,central Bay ... http://ow.ly/i/6FGnk 
On 29/30-Aug, the low,mid-level circulation from Bay is expected to reach N,central Andhra coast ... http://ow.ly/i/6FGqr 
And, the upper-level circulation is expected to cross S Andhra coast, #Chennai on 29/30-Aug... http://ow.ly/i/6FGsG 

Today, the low,mid-level circulation over S,S-W Rajasthan persists ... http://ow.ly/i/6FGvh 
This S Rajasthan circulation is expected to persist for next 42hrs !

Rainfall alert
~~~~~~~~~~~~~~~~~~~
Widespread rain along Maharastra coast, Karnataka coast is expected to persist till Thursday morning.
Scattered HEAVY rain also expected for N,central Kerala during next 42hrs... http://ow.ly/i/6FGDx 

Before early morning of 27-Aug...
Scattered T showers for S,central,W Maharastra, many parts of Karnataka, W,S,N-W Andhra.
T showers also for S Karnataka, N,N-W,N-E,N-central coast Tamilnadu and S Andhra on today and Wednesday.

Scattered T showers for S Odisha, S,central Bengal on today and 27-Aug !
Today, Tomorrow - T showers for S-E,E,N-E Gujarat, S,S-E Rajasthan, W,S-W Madhyapradesh

#Chennai - T showers expected today evening into midnight.
And Showers expected around mid-morning of Wednesday.

Tomorrow, scattered T showers expected for Odisha, N,N-E Andhra, E Maharastra, S Chatisgarh.. http://ow.ly/i/6FGQB 

5:30pm, Scattered HEAVY rain over S,S-E,E Gujarat, W,central,S Maharastra, N,N-W,N-E Andhra, Odisha, Jharkhand.. http://ow.ly/i/6F2B8 

#Chennai - 7:20pm, T showers seen over N-W at around 130km from city. T Showers "may" push into city after 10pm !

#Chennai - Rainfall till 8:30am today...
Nungambakkam = 89.3 mm,
Airport = 85.2 mm,
IWM Polichalur = 45 mm.

#Chennai - 24-Aug, Midnight Thunder Storm... RADAR images video ... http://youtu.be/v9OXLgS8030


Chennai - 24-Aug, Thunder Storm "Lightning Video" ... http://youtu.be/a0m1CIap3MY

Posted Sunday 24th Night..

Initial Indication of Season Change is seen at 200 mb levels. Jet streams have become Westerly above the 25N line. Monsoon can see a change in the next 10 days...

A trough off the West Coast of India remains active.
A UAC could form in the trough somewhere around South Konkan.

On Tuesday, we can expect an interaction of North winds and West winds around N.I.Karnataka regions.

City weather and details in Vagaries

#Chennai - 10:53pm, its raining now over Polichalur zone with high winds.

RT @abhish05: @weatherofindia raining in T Nagar too. Thanikachalam road. 10:56pm  #chennai

#chennai - 11:49pm, heavy T shower with winds continue over Polichalur zone.
IWM Polichalur rainfall so far 35.7mm

#chennai - 9:45pm, severe T shower is now pushing into NW suburbs.
This can be widespread covering all zones of city http://ow.ly/i/6ECah