Mains issueGS-3News & Analysis16 October 2026

Monsoon Dynamics and Disaster Preparedness in Coastal States

An aspirant should be able to analyze the complex interplay of global climate phenomena and regional monsoon patterns, articulate the challenges in weather forecasting, and describe comprehensive state-level disaster preparedness and mitigation strategies.

Source: thehindu.comOriginal report

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Why now

The early arrival of the Northeast monsoon in Tamil Nadu, coupled with forecasts of varying rainfall and the influence of El Niño, highlights the critical need for robust disaster preparedness and effective weather forecasting in coastal regions.

Core issue

The Northeast monsoon has arrived early in Tamil Nadu, five days ahead of its normal schedule, coinciding with the withdrawal of the Southwest monsoon. While the Southwest monsoon ended with a 20% deficit, the Northeast monsoon is forecast to bring normal rainfall, with above-normal rainfall expected in Delta and southern regions. The article notes that El Niño is expected to strengthen, potentially reducing cyclones in the Bay of Bengal despite its general association with above-normal rainfall. State authorities in Tamil Nadu have declared 98% completion of monsoon preparedness works, including readying hospitals, food centers (Amma Unavagams), and rehabilitation centers, and undertaking flood mitigation efforts like desilting canals. Meteorologists caution that an early onset does not guarantee good seasonal rainfall and that predicting extreme weather events well in advance remains challenging.

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