New Delhi, Jan. 8 -- The India Meteorological Department (IMD) on Thursday stated that a deep depression over the southwest Bay of Bengal and adjoining southeast Bay of Bengal and East Equatorial Indian Ocean moved west-northwestward at about 13 kmph over the past six hours.

The weather department also indicated that light to moderate rainfall is expected at isolated places across Tamil Nadu today, with rain likely at a few locations along the coastal districts and at isolated spots over interior parts of the State.

As of 0830 IST on Thursday, it was centred over the southwest Bay of Bengal and the adjoining East Equatorial Indian Ocean near latitude 5.5degN and longitude 84.8degE, IMD said, adding that at that time, it was located roug...