HEAVY rain ahead for S,SE coast Tamilnadu. Flood alert !

9:30pm, IR shows Almost NO convective activity along N,central-coast Tamilnadu.. "after a long time" ... http://ow.ly/VFND9 
.. but Gulf of Mannar is active again to give some HEAVY T showers for S,SE coast of Tamilnadu in next 2/4hrs.

Latest analysis show, that circulation South of Srilanka persists.
And
S Arabian sea is also having a circulation.. https://d2jhuj1whasmze.cloudfront.net/photos/normal/f69jd.jpg

In next 2 days, the circulation South of Srilanka is expected to persist almost in same zone, while Arabian sea circulation will move West.

For N,central-coast Tamilnadu, some more moderate / light rain expected during next 36hrs and will become DRY on Friday evening.

#Alert
For S-tip,S,SE-coast Tamilnadu ... HEAVY T showers ahead in next 36 hrs... https://d2jhuj1whasmze.cloudfront.net/photos/normal/f6arc.jpg
#Alert #Flood
For Tirunelveli and Tuticorin district during next 2 days.

#Chennai - 1 or 2 light / moderate passing shower ahead and one can be of moderate to heavy on Thursday ! #chennairains 

WD - Heavy Snow / rain ahead for Kashmir

Upper-level WD trough is now seen along N,central Pakistan and adjoining N,NW India ... https://d2jhuj1whasmze.cloudfront.net/photos/normal/f63Pw.jpg
A low-level circulation seen over central Pakistan and its trough seen South upto NE Arabian sea ... https://d2jhuj1whasmze.cloudfront.net/photos/normal/f646k.jpg

In upper,low-levels moisture is being dragged from Arabian sea thru W,SW coast into central,N-central India.. https://d2jhuj1whasmze.cloudfront.net/photos/normal/f64ot.jpg
This moisture drag is due to WD trough and it is evident in this 9:30pm, Satellite IR ... https://d2jhuj1whasmze.cloudfront.net/photos/normal/f64B8.jpg

By Friday, the low-level WD circulation, trough is expected to move E, ESE into W,NW Uttarpradesh .. https://d2jhuj1whasmze.cloudfront.net/photos/normal/f66ct.jpg
But the upper-level WD trough is expected to move East and confined over Kashmir and upto 30N ... https://d2jhuj1whasmze.cloudfront.net/photos/normal/f66yK.jpg

Moisture drag from Arabian sea thru Maharastra coast will continue into central, E India during next 2 days.. https://d2jhuj1whasmze.cloudfront.net/photos/normal/f66Vu.jpg
Due to this, zones from coastal Maharastra to Madhyapradesh, Chatisgarh to Bengal is expected to get cloudy with odd light rain.

Due to WD.
Before morning of 11-Dec, scattered rain / snow for Kashmir, Himachal and rain for N Uttarakhand.. https://d2jhuj1whasmze.cloudfront.net/photos/normal/f67zK.jpg

December 09, 2015 at 09:40AM

Chennai and N-coast Tamilnadu - 9:15am, more scattered light / moderate passing showers ahead before 1pm. #iwm

— Indian Weather Man (@weatherofindia) December 9, 2015

For more tweets follow :: @weatherofindia

December 09, 2015 at 09:37AM

RT @sekhar4web: Moderate to heavy raining in #Saligramam @ChennaiRains #AreaUpdates #iwm (8:46am)

— Indian Weather Man (@weatherofindia) December 9, 2015

For more tweets follow :: @weatherofindia

December 09, 2015 at 09:36AM

RT @AsmitaMadhu: It's raining in #Alwarpet @ChennaiRains #AreaUpdates (8:17am) #iwm

— Indian Weather Man (@weatherofindia) December 9, 2015

For more tweets follow :: @weatherofindia

December 09, 2015 at 06:17AM

Chennai - 5:50am, Polichalur zone got a light rain and drizzle now. 3mm so far. More passing showers ahead thru the day ! #iwm

— Indian Weather Man (@weatherofindia) December 9, 2015

For more tweets follow :: @weatherofindia

WD and moisture push into Peninsula thru SW coast

Present upper-level WD trough over Afghanistan is expected to reach N,NW India in next 24hrs.. https://d2jhuj1whasmze.cloudfront.net/photos/normal/f4qg4.jpg

This WD trough is expected to drop a low-level circulation along central Pakistan and adjoining India in next 24hrs .. https://d2jhuj1whasmze.cloudfront.net/photos/normal/f4qBd.jpg

On 10,11-Dec, this WD trough will drift East and fizzle out over N India !
The associated low-level circulation will also drift East and then E-S-E up to W,central Uttarpradesh on 11-Dec.. https://d2jhuj1whasmze.cloudfront.net/photos/normal/f4rqU.jpg

During next 3 days, this WD trough, circulation will take moisture from central Arabian sea to central India .. https://d2jhuj1whasmze.cloudfront.net/photos/normal/f4rPb.jpg

From today till Thursday evening...
scattered rain / snow for Kashmir and Himachal.
Cloudy weather for W,SW-coast upto central India !
Due to E Arabian sea easterly trough...
On today, thursday, Scattered T showers for W,W-ghats Karnataka, N Kerala.. https://d2jhuj1whasmze.cloudfront.net/photos/normal/f4sMB.jpg

From Friday into Sunday, scattered T showers will spawn into N,NW Karnataka, S,central,E Maharastra, N,NW Telegana.and S Chatisgarh !

December 08, 2015 at 11:17PM

RT @himanshunTOI: Minimum temp in #Nashik continues to remain at 10.6 deg for second day @timesofindia @NashikNews #iwm

— Indian Weather Man (@weatherofindia) December 8, 2015

For more tweets follow :: @weatherofindia

Tamilnadu - Moderate rain ahead for N-coast, Chennai. Heavy for South,South-East

Latest, yesterday's low-level circulation over 6th parallel South of Srilanka persists... https://d2jhuj1whasmze.cloudfront.net/photos/normal/f3Fir.jpg

Present weak circulation over S Arabian sea is expected to organize slightly in 24hrs... https://d2jhuj1whasmze.cloudfront.net/photos/normal/f3G0j.jpg 
.. and this will pull the already present easterlies along N,central-coast Tamilnadu up to S-coast Andhra, chennai in 20hrs.
Rain expected !

This easterlies effect along Tamilnadu coast and Chennai is expected to last "Only" till Friday noon / evening.
DRY weather from Saturday !

Forecast for next 36hrs
~~~~~~~~~~~~~~~~~~~~~

Tamilnadu rainfall Till 8:30am today,
Karaikal 16cm
Kodavasal, Papanasam 13 cm
Tiruvarur, Nagapatinam 11cm

5:10pm, IR shows rain continue along central,SE coast,S-tip Tamilnadu and Gulf Mannar getting active again.. https://d2jhuj1whasmze.cloudfront.net/photos/normal/f3HzN.jpg

SE-coast, S-tip Tamilnadu is in for more T showers towards late-evening / mid-night ... https://d2jhuj1whasmze.cloudfront.net/photos/normal/f3HJT.jpg
More HEAVY T showers ahead for S-tip, South W-ghats, S-central,SE-coast Tamilnadu on Wednesday as well.

Moderate rain will push into N-coast Tamilnadu, S-coast Andhra on morning of 9-dec.
AND
Heavy rain will persist over central-coast.
Chennai - 2 or 3 moderate / light passing showers possible on Wednesday and into Thursday.

On 9,10-Dec, the upper-level moisture is expected to be thin along N,central-coast and interior Tamilnadu, so rain quantity will be less.
On 9,10-Dec - noon,evening T showers expected to pop over N,central,S-central Tamilnadu... https://d2jhuj1whasmze.cloudfront.net/photos/normal/f3IZ7.jpg

Karaikal rain

EXERCISE CAUTION:

         The line squall like convective clouds just intruding from NE direction off  Karaikal coast is evident.  Karaikal, Nagapattinam, Tiruvarur, Thanjavur, Trichy will be experiencing light intermittent

rainfall with coastal zones may get 65mm or
more rainfall