Storm clouds gathering over the Bay of Bengal coastline with fishing boats in foreground

Deep Low Pressure Formed, Heavy Rain Alert for South Bengal

Published: September 20, 2026 · Source: ABP Ananda
The India Meteorological Department has sounded a fresh weather alert as a deep low-pressure system has formed over the central Bay of Bengal, associated with the Andaman Islands. This weather disturbance is moving westward and may intensify into a cyclonic storm as it progresses across the Bay of Bengal. The system is expected to strengthen further as it moves from the northwest toward the west, bringing widespread rainfall and gusty winds in its wake. According to the latest forecast, the low-pressure area will continue to drift westwards, affecting weather conditions across eastern and northeastern India. In West Bengal, light to moderate rainfall has already been reported in several districts, including Kolkata and surrounding areas, since early morning hours. The Meteorological Department has issued a general alert, advising fishermen and coastal communities to remain cautious. With the approaching weather system, heavy rainfall is likely to commence within the next few days, particularly in southern parts of West Bengal. Three districts in the region have been placed on cyclone alert, and authorities are urged to review evacuation plans and drainage preparedness. The India Meteorological Department has also warned of potential waterlogging in low-lying urban areas due to accumulated rainfall. Commuters are advised to avoid unnecessary travel during heavy downpours, while farmers are encouraged to secure crops ahead of the storm. The system is being closely monitored, with fresh advisories expected every three hours. Weather experts suggest that the developing low-pressure area could merge with another upper-air disturbance, potentially amplifying rainfall intensity. Coastal districts should stay updated with local alerts, as strong surface winds may accompany the system upon landfall. The overall weather pattern indicates a spell of unsettled conditions lasting several days, with the possibility of the system turning into a depression before making landfall. Citizens are advised to keep track of official updates and take preventive measures to ensure safety and property protection.

Key Highlights

  • Deep low-pressure system formed over the central Bay of Bengal near Andaman Islands
  • System likely to intensify into a cyclonic storm as it moves westward
  • Heavy rainfall expected in South Bengal within the next few days
  • Three districts in South Bengal placed on cyclone alert
  • Fishermen and coastal communities advised to remain cautious
Source: ABP Ananda
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weather updatelow pressurerain forecastWest Bengalcyclone alertIndia Meteorological Departmentheavy rain

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