A fresh low-pressure system in the Bay of Bengal is set to bring widespread rainfall across West Bengal. From Kolkata to the Himalayan foothills, heavy downpours are expected over the coming days.

  • New low-pressure area and cyclonic circulation active in the Bay of Bengal.
  • Heavy rain predicted in South Bengal districts until Wednesday.
  • North Bengal to witness heavy rainfall on Tuesday and again from Friday.
  • Fishermen advised to stay away from the sea until Monday.

Despite the transition to the autumn season, the monsoon has made a surprising comeback in West Bengal. According to the Alipore Meteorological Department, a new low-pressure area has formed over the northwest Bay of Bengal, significantly increasing rainfall activity across the state.

The meteorological reports indicate that this low-pressure system is accompanied by a cyclonic circulation located at an altitude of 7.6 km above sea level. This system is interacting with monsoon troughs passing through Punjab, Haryana, and Uttar Pradesh, extending all the way to the Bay of Bengal, creating a massive weather disturbance over the region.

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Why This Matters

BozokMedia analysis shows that such late-season depressions in the Bay of Bengal can lead to sudden flooding in urban centers like Kolkata and pose significant risks to maritime activities due to increased wind speeds.

The interaction between the low-pressure zone and the cyclonic circulation will likely sustain heavy precipitation for the next 72 hours.

Regional Breakdown: In South Bengal, cities like Kolkata, Howrah, East Bardhaman, and Hooghly are expected to see scattered rain through Monday. Significant heavy rainfall alerts have been issued for Jhargram and Purulia. Meanwhile, North Bengal is bracing for impact, with Darjeeling, Jalpaiguri, and Kalimpong likely to receive heavy rain on Tuesday, followed by another spell from Friday to Sunday.

The impact on the coast is also notable. Winds are gusting between 40 to 50 km/h in the northern Bay of Bengal, leading to rough sea conditions. Consequently, fishermen have been strictly advised not to venture into the sea until Monday.

Did You Know?: The altitude of the cyclonic circulation (7.6 km) plays a crucial role in determining the intensity of the rainfall hitting the coast.

Frequently Asked Questions

1. Will there be heavy rain in North Bengal?
Yes, districts like Darjeeling and Kalimpong are expected to experience heavy rainfall on Tuesday and again towards the weekend.

2. Is it safe for fishermen to go to sea?
No, authorities have advised against fishing activities until Monday due to high wind speeds and rough seas.