Strong Low Pressure System Building in Bay of Bengal Before Winter - Will Bengal Face Heavy Rains Again.?
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- Mandira Chatterjee
- 14 Oct, 2025
§ Major Weather Alert - Strong Low Pressure System Building in Bay of Bengal Before Winter
§ West Bengal Weather Update: Will Bengal Face Heavy Rains Again.? Cyclone Alert October 2024
§ Bay of Bengal Cyclone Warning: Strong Weather System Could Hit Bengal - Kali Puja Weather Forecast
Powerful Weather System Expected October 25th: A significant weather development is brewing in the Bay of Bengal as meteorological experts predict the formation of a powerful low-pressure system on October 25th. International weather research models including the European Union’s prestigious Weather Forecasting System (WFS), have issued warnings about this potentially impactful weather phenomenon that could drastically affect West Bengal’s weather patterns.
According to latest forecasts, this weather system will develop into a very strong low-pressure area at 3 AM on October 25th near Indira Point in the South Andaman Sea region of the Bay of Bengal. The timing and intensity of this system have raised concerns among weather experts, particularly as Bengal prepares for the winter season and important festivals like Kali Puja.
Formation and Path Prediction of the Weather System
The low-pressure system will originate from the Andaman Sea region, gradually moving over the ocean waters while collecting moisture and energy. Weather models predict that by October 27th morning, this system will approach the Tamil Nadu coast, where wind patterns will determine its ultimate direction.
Two possible scenarios have emerged from meteorological analysis. The system could either move westward through Puducherry coast toward the Arabian Sea or it could travel northward along the Bay of Bengal toward the Andhra Pradesh-Odisha coast near Gopalpur, potentially making landfall in these regions.
The formation and energy accumulation process is still developing, making it difficult for meteorologists to provide more definitive predictions at this stage. However, the system’s behavior will significantly impact weather conditions across eastern India, particularly in West Bengal.
Impact on West Bengal Weather Patterns
If the weather system moves toward the Arabian Sea via Puducherry, it would actually benefit West Bengal significantly. The system would pull all surrounding moisture toward itself, resulting in clear, cloud-free skies across Bengal. This would lead to a sudden decrease in atmospheric humidity and bring a distinct winter feel to the region, creating pleasant weather conditions.
However, if the low-pressure system moves toward the Andhra Pradesh-Odisha coast, West Bengal would experience completely different weather conditions. Clouds would move into Bengal’s skies, increasing humidity levels and causing uncomfortable moisture conditions.
Coastal districts including North and South 24 Parganas and East and West Midnapore would experience light to moderate rainfall accompanied by gusty winds reaching speeds of 30-40 kilometers per hour. Cities like Kolkata, Howrah, Hooghly and Jhargram could also receive light to moderate showers during this period.
Kali Puja Weather Forecast - Good News for Festival Celebrations
Excellent news awaits festival enthusiasts as weather officials confirm no significant rainfall is expected from today until Kali Puja celebrations. The monsoon officially withdrew from West Bengal on October 13th, marking the beginning of the post-monsoon period.
Atmospheric moisture levels will gradually decrease in the coming days with some districts experiencing light morning fog. As temperatures rise during the day, afternoon conditions will become more comfortable, creating pleasant evening environments perfect for festival celebrations.
Dr. Sourish Banerjee from the Regional Meteorological Centre explained that while some pockets might experience sporadic light rain, it won’t be heavy or consistent enough to disrupt festival activities. The moisture intrusion has led to cloud formation in some regions but overall conditions remain favorable for outdoor celebrations.
Temperature and Humidity Patterns Expected
Current weather data shows maximum temperatures ranging between 31-32°C and minimum temperatures around 24-25°C across West Bengal. Humidity levels have been fluctuating between 70-95% depending on local conditions and time of day.
For Kali Puja celebrations, temperatures are expected to remain pleasant with maximum readings around 32°C and minimum temperatures near 25°C. The absence of significant rainfall means outdoor festivities can proceed without major weather-related disruptions.
Weather experts predict that atmospheric moisture will decrease gradually, creating more comfortable conditions for both day and night activities during the festival period.
Regional Weather Variations Across Bengal
North Bengal districts are expected to experience generally pleasant weather conditions with isolated chances of light rainfall in hilly areas like Darjeeling and Kalimpong. The mountainous regions might see occasional scattered showers but nothing severe enough to cause major concerns.
South Bengal, including Kolkata metropolitan area will experience mostly dry conditions with occasional cloud cover. Districts like Howrah, Hooghly, Nadia and the 24 Parganas are likely to see clear to partly cloudy skies with comfortable temperatures.
The coastal areas along the Bay of Bengal might experience slightly higher humidity levels due to maritime influence, but overall weather patterns remain stable and suitable for festival activities and daily life.
Impact on Agriculture and Daily Life
The weather pattern changes are occurring during a crucial period for agriculture in West Bengal. Farmers have been monitoring weather conditions closely as they prepare for winter crop cultivation. The potential for light rainfall could actually benefit late-season crops if the weather system brings moderate precipitation.
Transportation and daily commuting are expected to remain largely unaffected by current weather predictions. Road and railway operations should continue normally unless unexpected weather changes occur.
Seasonal Transition and Long-term Outlook
This weather development marks a significant transition period as Bengal moves from post-monsoon conditions toward winter weather patterns. The interaction between different atmospheric systems during this period often creates interesting weather phenomena.
Climate experts note that such weather systems are relatively common during October-November as atmospheric conditions shift globally. The Bay of Bengal’s warm waters provide energy for these systems, making the region prone to cyclonic developments throughout this period.
The coming weeks will be crucial for determining winter weather patterns across eastern India with this current system serving as an important indicator of seasonal changes.
Safety Precautions and Recommendations
While current predictions suggest no major weather threats for West Bengal, residents in coastal areas should stay updated with latest weather bulletins. Fishermen along the coast have been advised to monitor weather conditions closely before venturing into the Bay of Bengal waters.
Festival organizers and participants are encouraged to have contingency plans for outdoor events, although current forecasts suggest minimal disruption to celebration plans. Indoor venues might experience slightly higher humidity levels but nothing that would significantly impact comfort.
Conclusion: Balanced Weather Ahead for Bengal
The developing weather system in the Bay of Bengal presents both opportunities and challenges for West Bengal. While uncertainty exists about the exact path of the low-pressure system, current indications suggest that Bengal will experience relatively stable weather conditions during the important festival period.
Whether the system brings beneficial clear skies or moderate rainfall, meteorologists emphasize that no severe weather threats are anticipated for the region. The timing coincides well with post-monsoon seasonal transitions, making it a manageable weather event rather than a major concern.
Festival celebrations can proceed with confidence, while residents should remain alert to any updates from official weather sources as the situation develops over the next few days.
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