Chennai: The India Meteorological Department (IMD) has forecast a prolonged spell of rainfall across Tamil Nadu, influenced by the established Northeast Monsoon and the formation of new weather systems over adjacent seas. A low-pressure area is currently prevailing over the Comorin Sea and the adjoining southwest Bay of Bengal, while another is likely to form over the Arabian Sea off the Kerala-Karnataka coast today.

This dual-system influence is expected to bring light to moderate rainfall with thunderstorms and lightning to most places in the state until October 23, with specific districts being put on alert for heavy to very heavy downpours. The IMD’s warning indicates that the active monsoon conditions will persist through the week, potentially impacting Diwali celebrations and daily

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