From 18th morning, the min temp will be up by +1 C along coast,central,NE Tamilnadu and #Chennai ... https://d2jhuj1whasmze.cloudfront.net/photos/normal/fWgOw.jpg

Night, morning temps over NE Karnataka, S,central Maharastra is expected to hover around 20 C !

For N,NW,N-central India... expect a #COLD night & morning on 16,17-Jan.

#Chennai on Pongal morning...
Airport continues its 19 C stint at 19.4 C
IWM Polichalur 21 C
Nungambakkam 21.9 C
For #Chennai, No significant change in day & night temp expected on 16,17-Jan.

Scattered rain ahead for S MP, N,NE Maharastra, central Chatisgarh

Till 8:30am today,
Many places in N India had a below normal Day(14-Jan) temp...
Chandigarh 15 C (-6 below normal)
Patiala 15 (-4)
But after 4pm,14-Jan and before morning of 15-Jan, an upper-level WD trough traversed acrossed N,N-central India ... https://d2jhuj1whasmze.cloudfront.net/photos/normal/fW6Kx.jpg
This fast moving upper-level trough raised the nights temps ALL along N,NW,N-central India.
Today morning, Chandigarh 10 c (+5 above)

Wind confluence happening over M.P due to remnant trough over W Uttarpradesh and anti-cyclone over NE Andhra ... https://d2jhuj1whasmze.cloudfront.net/photos/normal/fWbAx.jpg
And this has produced some moderate / light rain over central,S,SE Madhyapradesh. IR at 8:30pm... https://d2jhuj1whasmze.cloudfront.net/photos/normal/fWbRQ.jpg

Meanwhile, a mid-level trough in westerlies over N,NE Arabian sea has popped ... https://d2jhuj1whasmze.cloudfront.net/photos/normal/fWc4V.jpg
This 700hpa trough over NE Arabian sea is expected to persist for another 4 days along a low-level circulation near Maharastra coast !

This mid-level trough and low-level circulation over NE Arabian sea will persist till Sunday evening ... https://d2jhuj1whasmze.cloudfront.net/photos/normal/fWcFb.jpg
http://ow.ly/X7jO5 ... "this would be a perfect scenario for HEAVY rains along Maharastra coast if it was in June / july :-)

Circulation near Maharastra coast is expected to bring ... scattered light / moderate rain for S Maharastra coast, Karnataka coast, N Kerala
Here are the charts showing the mid-level trough and next 36hrs rainfall forecast chart .. https://d2jhuj1whasmze.cloudfront.net/photos/normal/fWdDQ.jpg ... https://d2jhuj1whasmze.cloudfront.net/photos/normal/fWdII.jpg
In next 36hrs, scattered moderate rain for S ,SE Madhyapradesh and N,NE Maharastra into central,N Chatisgarh .. https://d2jhuj1whasmze.cloudfront.net/photos/normal/fWe2M.jpg

Evening of 17-Jan,
Another upper-level WD trough will push near to N,NW,W India ... https://d2jhuj1whasmze.cloudfront.net/photos/normal/fWeg4.jpg
Upcoming WD will drop a low-level circulation over NW,W Rajasthan on Sunday evening.. https://d2jhuj1whasmze.cloudfront.net/photos/normal/fWexf.jpg
On Monday evening, the NE Arabian sea circulation and WD circulation will onteract and merge over W Madhyapradesh !