The cold wave gripping in interior Tami Nadu will see some respite from tomorrow as cloud cover is expected to increase due to wind confluence from central india which is expected to dip down to south India.
Synoptic Analysis – The easterlies meeting westerlies creates perfect wind confluence. See the pic for explanation.
In two days a Western Disturbance (WD) is seen moving in north india, this will create further wind discontinuity in the peninsular India. Bulk of the rains will be in Central and East india. Here in the pic, u can see the WD moving in north India with trough extending down around 19th.
Chennai will see near normal night temperature with above normal day temperature. The nights will be warmer than normal in the coming week in the city.