As per the latest development, several districts in Tamil Nadu, including the capital Chennai, will see heavy rainfall on Thursday, November 7. Meanwhile, the India Meteorological Department (IMD) has also issued a yellow alert for Chennai, Kancheepuram, Chengalpet, and eight other districts, which will likely see rainfall between 6 cm and 12 cm within a 24-hour period. This intense weather is due to a cyclonic circulation over the south Bay of Bengal, creating a large-scale wind movement that’s bringing moisture to the region.
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According to the IMD’s forecast, Tamil Nadu, Kerala, and Karnataka are on alert for heavy rains from November 2 to 8. It is also reported that some parts of Puducherry, Karaikal, and the Andaman and Nicobar Islands in addition to Tamil Nadu will see significant rainfall. The IMD has also issued caution for Chennai and other coastal areas.
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The Regional Meteorological Centre (RMC) in Chennai has forecast light to moderate rainfall for the city and surrounding areas. Certain districts, including Kancheepuram, Villupuram, Cuddalore, Mayiladuthurai, and Nagapattinam, are more likely to see severe rainfall. From November 8 to 12, even more intense rains are predicted for places like Theni, Dindigul, and Kanyakumari as the week goes on. Over the next few days, Chennai’s temperatures are expected to range from a high of 32°C to a low of 24°C.
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The IMD has indicated that the rain may continue over the next 48 hours, supported by a north-south trough extending from the cyclonic circulation. This setup could bring moderate to heavy rain in parts of Chennai, particularly on Thursday. According to N Senthamarai Kannan, the IMD’s regional director, rain activity may persist for at least four days, though it may vary between day and night.
Additionally, for November 9 and 10, warnings have been issued for coastal and delta areas; on November 12, the alerts have been extended to seven districts. Pradeep John, a local weather blogger, pointed out that following a few days of steady rain in Chennai, Kancheepuram, and Tiruvallur, the current rainfall trend may move towards southern coastal areas. Along the shore, he also emphasised the possibility of morning precipitation.
With the intensifying weather, fishermen have been advised to avoid venturing out into the sea until November 9, as squally winds are expected, reaching speeds of 35-45 kmph and gusts up to 55 kmph in certain coastal zones near the Bay of Bengal. Additionally, water levels in the Vaigai Dam are on the rise due to recent rains, standing at 64.34 feet, close to the full capacity of 71 feet. Officials from the Tamil Nadu Water Resources Department are monitoring the situation, and flood warnings will be issued if levels continue to rise, with water releases planned for agricultural support if necessary.
