Easterly wave propagation

 This is the first easterly wave reaching TN coast for this season.  This may be considered as NEM .  The troughs in easterly is vivid and it may bring rainfall to southern coastal regions of TN.

The propagation of easterly wave is shown in the chart.
Dundee image also depicts the propagation from far east. [see wavy cloud pattern]

During past 7 days (till 22-Nov)...
N,N-central,E-central,E India are colder than usual, while W India was hotter.. http://ow.ly/i/7HmXx 

HOT day temperatures to continue along W India, especially over Gujarat, W,N-W Maharastra for next 2 days... http://ow.ly/i/7Hn6K 
Meanwhile COLD mornings to continue over N,N-W,N-central, E,E-central,central India during next 2/3 days!

Monday morning,  Muzaffarnagar (Uttar Pradesh) recorded a min temp of 4.3 C
LOW temps On Monday morning...
Delhi = 9 C
Lucknow, Hissar = 7 C
Srinagar goes below Zero, records -1 C.

Low-level circulation seen over S Bay mouth along 5th parallel followed by a good easterlies seen upto 90E... http://ow.ly/i/7HlQs 
This S Bay circulation is expected to drift West and push into S Srilanka, Gulf Mannar on Thursday... http://ow.ly/i/7Hm1J 
The easterlies is expected to reach most of Tamilnadu coast on Thursday evening.
Heavy rain ahead on 28,29,30-Nov for coast,interior TN

T showers expected over S Tamilnadu "again" from late-evening today !!
Entire S,S-E coast, central coast Tamilnadu is in for Heavy rain from Thursday evening... http://ow.ly/i/7Hmlv 
By Thursday night or Friday mid-morning... showers will reach N-coast Tamilnadu and Chennai.