Easterlies over S-central Bay embedded with a low-level circulation over S-Bay above 5th parallel... https://d2jhuj1whasmze.cloudfront.net/photos/normal/q35CP.jpg
This circulation is not expected to intensify, instead it's expected to drift WSW and move near to S,SSE Srilanka in next 40hrs.. https://d2jhuj1whasmze.cloudfront.net/photos/normal/q35I7.jpg
The easterly wave will start affecting central,SE-coast of Tamilnadu from late-evening of Monday.. and will persist till Wednesday... https://d2jhuj1whasmze.cloudfront.net/photos/normal/q35KM.jpg
From early hrs of 20-Dec to midnight... Moderate to heavy rain possible for central,S-E coast Tamilnadu... https://d2jhuj1whasmze.cloudfront.net/photos/normal/q35OC.jpg
On Tuesday, #Chennai, N-coast (above Pondicherry) Tamilnadu also expected to get moderate rain as intermittent spells !
Some light showers may push into Wednesday over N,N-coast Tamilnadu and #Chennai.
Heavy afternoon T-showers expected over S Tamilnadu mainly over Tirunelveli, Tuticorin districts.
2 or 3 over Ramnad and Kanyakumari dists !
Below normal night and morning temps to return over S,S-central,SE peninsula from 23rd ! https://d2jhuj1whasmze.cloudfront.net/photos/normal/q3651.jpg
During next 5 days, N,central,NW India to continue experiencing a normal or above normal minimum temps for this time of year !
#Chennai, N,N-central Tamilnadu to see below normal night, morning temps from 23rd to 26th.. https://d2jhuj1whasmze.cloudfront.net/photos/normal/q36eV.jpg