With the cyclonic storm brewing over the Bay of Bengal predicted to move towards the Tamil Nadu coast, heavy downpour is likely to continue over the coastal areas of the State till Sunday (December 1,

Heavy to very heavy rain is likely to occur at isolated places in Chennai, Tiruvallur, Kancheepuram, Chengalpattu, Villupuram, Ariyalur, Thanjavur, Tiruvarur, Nagapattinam and Pudukkottai districts.

Rain lashed parts of Tamil Nadu’s Nagapattinam as deep depression forms over southwest Bay of Bengal on November 27. District administration announced holiday for schools and colleges in several regions in view of continuous rainfall.

According to the IMD, the depression is very likely to continue to move north-northwestwards and intensify further into a cyclonic storm

According to a special weather bulletin issued by the Bangladesh Meteorological Department, or BMD, the deep depression was located 2,025km south-southwest of Chattogram seaport, 1,960km south-southwest of Cox’s Bazar seaport, 1,940km south-southwest of Mongla seaport, and 1,925km south-southwest of Payra seaport on Tuesday afternoon.

With northeast monsoon season's first cyclone likely to form over the Bay of Bengal on Wednesday, IMD has upgraded its rain alert for Chennai.

If the deep depression intensifies into a cyclone, it will be named as Fengal, according to the rules of the World Meteorological Organisation (WMO) on naming cyclones.

Once intensified, the storm will be identified as Fengal, a name proposed by Saudi Arabia. This is the second cyclone in the post-monsoon season to affect the Indian coast after Cyclone Dana, which crossed Odisha as a ‘severe’ category storm in late October.

Heavy to very heavy rainfall is likely at a few places with extremely heavy rainfall at isolated places over Tamil Nadu and Puducherry during November 28 to 30