More geographical area than earlier expected may get impacted by the rain-laden easterly wave with the wet spell getting extended over the larger South Peninsula. Easterly waves move fast and straight across the Bay of Bengal, and usually are known to target Tamil Nadu and Kerala, apart from Sri Lanka to the South.

An extended IMD outlook said that the heavy rain session may last till Tuesday, with fairly widespread to widespread rain/thundershowers over Tamil Nadu, Puducherry, Karaikal, Kerala and Mahe; isolated heavy to very heavy falls over Tamil Nadu, Puducherry and Karaikal; and scattered to fairly widespread over Lakshadweep and the Andaman & Nicobar Islands.

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