The India Meteorological Department (IMD) has issued a heavy to very heavy rainfall warning for Tamil Nadu, with significant downpours forecast over the next few days. On October 14, 2024, the Regional Meteorological Centre (RMC) in Chennai issued a red alert for numerous city areas, signalling severe weather. According to the IMD, the region could receive up to 20 cm of rain daily during this monsoon season. However, worries are increasing about the incomplete installation of stormwater drains (SWDs) in many residential areas of Chennai, which could heighten the flood risk.

Preventive Measures Amid Heavy Rainfall Warning in Tamil Nadu

In reaction to the projection, Tamil Nadu Chief Minister M.K. Stalin has taken preventative steps. He has ordered the closure of schools and institutions in Chennai, Kancheepuram, Chengalpattu, and Tiruvallur on Tuesday, October 15, 2024. Furthermore, IT companies in these districts have been recommended to allow staff to work remotely from October 15 to 18. These efforts prioritise public safety, particularly given the possibility of flooding and waterlogging in the coming days. Heavy rains the previous evening in Tiruvallur caused serious waterlogging in various sites, including the Ponneri railway tube. Local authorities are actively monitoring the situation and striving to mitigate the effects of the flooding.

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Northeast Monsoon and Cyclonic Activity Increases Concerns

The IMD has forecast isolated heavy rains in Puducherry and Karaikal from October 12 to 16, with the strongest rain expected on October 14 and 15. For these dates, the IMD has issued an orange alert warning of possible flooding and waterlogging in vulnerable regions. Several districts, including Dharmapuri, Salem, Nilgiris, and Erode, will experience significant rain. Chennai and its neighbouring areas are bracing for the arrival of the northeast monsoon, which is expected to start on October 15 or 16.

In addition to the seasonal monsoon, the IMD has observed cyclonic circulation in the southeast Bay of Bengal and the adjacent equatorial Indian Ocean. This weather system is predicted to develop into a well-defined low-pressure area within the following 48 hours, potentially delivering further rain to the region.

The IMD has also urged fishermen to avoid the water until at least October 17 due to hazardous sea conditions and high winds. Some coastal locations are predicted to have unusually severe weather, adding to worries over the continued rain forecast. As the northeast monsoon approaches, certain districts in Tamil Nadu have already seen significant rainfall, providing relief to drought-affected areas and raising concerns about waterlogging and flooding in other parts of the state. Local officials are still monitoring the situation and preparing for the probable outcome of the monsoon rains and cyclonic activity.

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