New Delhi, October 20: The coastal regions of India are likely to witness heavy rainfall as an upper air cyclonic circulation over the central Andaman Sea has moved to the North Andaman Sea on Sunday, the India Meteorological Department (IMD) reported. This circulation is expected to lead to the formation of a Low-Pressure Area over the East Central Bay of Bengal and adjoining North Andaman Sea in the next 24 hours.

According to the IMD, "It is very likely to move west-northwestwards and intensify into a depression by October 22 morning and into a cyclonic storm by October 23, over East Central Bay of Bengal." After that, it is expected to move northwest and reach the northwest Bay of Bengal off the Odisha-West Bengal coasts by the morning of October 24. The IMD has issued a weather warning. "Very heavy rainfall is likely to occur over South Interior Karnataka and Andaman & Nicobar", IMD said. Cyclonic Storm Likely Over Bay of Bengal by October 23, Reach Northwest BoB off Odisha-West Bengal Coast by October 24, Says IMD.

Additionally, heavy rainfall is expected in Gujarat, Konkan & Goa, Madhya Maharashtra, Coastal & North Interior Karnataka, Kerala, Tamil Nadu, Rayalaseema, and Andhra Pradesh today. Earlier on October 19, the IMD reported heavy rain in several isolated areas in Tamil Nadu, causing major services to be disrupted due to the continuous rainfall on Saturday. Visuals from the city showed continuous rainfall leading to waterlogging on roads. Several areas in Chennai recorded extremely heavy rainfall until 8:30 am on Thursday. Depression over West Central Bay of Bengal Moves Closer to North Chennai.

Kathivakkam and Manali registered 23 cm and 21 cm of rainfall, respectively, while Cholavaram recorded 30 cm, Red Hills 28 cm, and Avadi 25 cm. The depression over the west-central and adjoining southwest Bay of Bengal moved west-northwest at a speed of 14 km per hour and crossed the north Tamil Nadu-south Andhra Pradesh coasts between Puducherry and Nellore, near latitude 13.5 North and longitude 80.2 East, at around 4:30 am on Thursday.

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