New Delhi: The India Meteorological Department (IMD) has raised alarms over a nascent low-pressure system in the South Andaman Sea and Strait of Malacca, projecting its evolution into a depression in the southeast Bay of Bengal by November 24, 2025. As the weather feature tracks west-northwestward into the southwest Bay of Bengal in the days ahead, it carries the potential to escalate into a cyclone, triggering widespread heavy rainfall across several southern states and union territories.
Satellite observations and predictive models pinpointed the low-pressure area’s emergence on November 22, 2025. In an update shared on X, formerly known as Twitter, the IMD stated: “IMD Weather Warning: A Low Pressure area has formed over Strait of Malacca & adjoining South Andaman Sea on November 22. It is likely to intensify into depression over southeast Bay of Bengal around November 24, 2025.”
Forecasters anticipate the system will bring bouts of intense precipitation, with advisories targeting the Andaman & Nicobar Islands, Tamil Nadu, Kerala, Mahe, Lakshadweep, and portions of Rayalaseema. Specifically, the Andaman & Nicobar Islands face heavy rains from November 22 through 27, escalating to very heavy falls on November 24 and 25. Tamil Nadu is set for heavy downpours between November 22 and 25, while Kerala and Mahe could see similar conditions persisting until November 26. Lakshadweep anticipates heavy showers on November 22 and 23, alongside impacts in Rayalaseema on November 22.
Beyond the rains, thunderstorms accompanied by lightning are forecast for Tamil Nadu, Coastal Andhra Pradesh, Yanam, and Rayalaseema from November 22 to 24. Comparable stormy weather is likely in Kerala, Mahe, and Lakshadweep through November 26, as well as in coastal and southern interior Karnataka on November 22. Gusty winds, peaking at 40-50 kmph, are also expected across the Andaman & Nicobar Islands throughout the period.
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These developments threaten disruptions to transportation networks, heighten flood risks in low-lying regions, and endanger fishing operations, tourism, and sea voyages in the Bay of Bengal vicinity. The IMD has called on local administrations, residents, and maritime stakeholders in affected southern Indian locales and island chains to monitor updates closely, bolster preparedness against flash floods, gale-force winds, and mobility halts, and exercise caution amid the unfolding meteorological event.
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