Chennai, Nov 20 (IANS) The Regional Meteorological Centre (RMC), Chennai, has forecast heavy rainfall for 10 districts of Tamil Nadu on November 21, as weather conditions over the southern Bay of Bengal continue to change.
In a statement issued on Thursday, the RMC said that the low-pressure area that had been lingering over the Comorin Sea and nearby regions has now moved towards areas close to Lakshadweep and the Maldives in a west-northwest direction.
The system is likely to continue moving the same way over the next few hours.
The weather office also said that a fresh low-pressure area is expected to form over the southeast Bay of Bengal on Thursday night or Friday.
Once formed, it is likely to move west-northwest, which could bring increased rainfall activity to Tamil Nadu, Puduch

Ten News
The Daily Beast