CHENNAI: The city and its neighbourhood, and other parts of north coastal Tamil Nadu and Puducherry may receive very heavy rainfall on October 22 and 23 under the influence of a depression that is likely to form over the central parts of south and west central Bay of Bengal, said weather officials, adding that light to moderate rains are likely across the State till then.

According to the Regional Meteorological Centre (RMC), Chennai, a low-pressure area is likely to form over the southeast Bay of Bengal around October 21 and concentrate into a depression, triggering enhanced rainfall activity.

Heavy to very heavy rain is likely at isolated place over Tiruvallur, Chennai, Chengalpattu, Kancheepuram, Villupuram, and Ranipet, and Puducherry on October 22 and 23.

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