The India Meteorological Department has issued a heavy rain alert across Bengal for the next seven days, warning that Kolkata and surrounding areas will experience intense rainfall spells while northern districts brace for prolonged downpours. The alert, which takes effect immediately, covers the full duration of the week with no let-up expected in the precipitation. Authorities are urging residents in low-lying areas to remain vigilant as the weather system develops.
IMD Issues Widespread Alert for Bengal
The India Meteorological Department released its seven-day forecast early Thursday, indicating that a deep depression forming over the Bay of Bengal will drive consistent rainfall across the state. Meteorologists tracking the system confirmed it will bring thunderstorm activity alongside the heavy downpours. The alert covers all 23 districts, with particular concern for areas already saturated from previous rainfall. Schools in several districts have been advised to monitor conditions, though no widespread closures have been ordered yet.
"This is a sustained weather event," an IMD spokesperson stated at a press briefing. "Residents should prepare for daily disruption rather than isolated incidents." The department has set up emergency monitoring stations across the coastal regions where wind speeds could reach up to 60 kilometres per hour during thunderstorms. Fishermen along the Bengal coast have been warned against venturing into the sea until the alert period ends.
Kolkata Braces for Intense Spells
Kolkata, the state capital home to over 4.5 million people, faces the brunt of the rainfall beginning this weekend. The IMD predicts concentrated rainfall bursts lasting several hours at a time, interspersed with brief periods of lighter rain. The Kolkata Municipal Corporation has activated its drainage department to clear choked canals and nullahs ahead of the heavy inflow. Emergency pumps have been positioned in historically flood-prone neighbourhoods including Behala, Garden Reach, and Tollygunge.
The city's drainage system, designed for far lower intensity rainfall, struggles during monsoon peaks. Civic officials admitted during a review meeting that at least 12 major pumping stations require upgrades. For now, the focus remains on immediate response. "We have crews on standby around the clock," a KMC engineer told reporters at the Tallah pumping station. "Our priority is preventing waterlogging on the major arterial roads." The Kolkata Police have also announced traffic management plans for waterlogged stretches, including the ES Arun Junction flyover and AJC Bose Road underpasses.
Impact on Daily Commute
Daily wage workers and office-goers face the prospect of disrupted travel throughout the alert period. The Kolkata Metro, which carries over 700,000 passengers daily, has internal drainage systems but has warned of potential delays if surface flooding affects entry points. Bus services along flooded routes will be rerouted, though the Kolkata Transport Corporation has not released specific contingency timetables. Residents in peripheral areas served primarily by auto-rickshaws and cycle-vans may face extended wait times as drivers wait out heavy spells.
Northern Districts Face Prolonged Downpour
The northern districts of Jalpaiguri, Darjeeling, Cooch Behar, and Alipurduar are expected to receive the heaviest cumulative rainfall over the seven-day period. These districts, which border Assam and Nepal, have experienced landslides and flash floods during previous monsoon events. District magistrates in North Bengal have begun preemptive evacuation of families living near riverbanks and erosion-prone hillsides. Relief camps have been established in district headquarters with supplies for at least 5,000 displaced residents.
The Teesta River, which flows through both Jalpaiguri and Darjeeling districts, has been rising steadily over the past week. The Central Water Commission has placed the river at "caution" level, warning that further rainfall could push it toward danger marks. The National Disaster Response Force has deployed two companies to Darjeeling and one to Jalpaiguri as a precautionary measure. Local elected representatives held an emergency meeting with district officials Thursday morning to review evacuation routes and shelter capacities.
Thunderstorm Activity Adds to Concerns
Beyond the rainfall, the IMD has specifically warned of thunderstorm activity throughout the alert period. These storms, locally known as "kal baisakhi" events, can bring sudden squalls with little warning. The combination of wet ground and strong winds creates conditions favourable for tree falls and property damage across both urban and rural areas. Power outages have already been reported in isolated pockets of South 24 Parganas following Wednesday night's storm activity, and discoms have placed additional crews on standby.
The West Bengal State Electricity Distribution Company has identified 47 substations in flood-vulnerable zones and assigned dedicated teams to each. Residents in affected areas have been advised to report downed power lines to the emergency helpline rather than approaching them. Medical teams at state-run hospitals have been directed to maintain extra stock of anti-venom supplies as snakes and other wildlife seek higher ground during flooding.
Preparedness Measures Underway
The West Bengal Disaster Management Department has activated its state emergency operations centre in Kolkata to coordinate response efforts across districts. State officials confirmed that relief materials including dry rations, tarpaulins, and drinking water tablets have been pre-positioned in eight district warehouses. The Army's rescue columns in Barrackpore and Hashimara have been put on notice for potential deployment, though no formal request has been made yet.
"We learned from the 2023 floods," a senior disaster management official stated. "Coordination must begin before the crisis, not during it." The state government has also requested that mobile network operators ensure uninterrupted connectivity in remote areas where fixed-line infrastructure is limited. Meanwhile, the Kolkata Airport authorities have confirmed that flight operations will continue unless wind conditions become dangerous, though passengers should check with airlines for potential delays during intense spells.
Agricultural Sector Worried About Crop Damage
Bengal's farming community faces potential losses as the standing aman paddy crop approaches harvest season. The agriculture department estimates that approximately 1.2 million hectares of paddy fields remain in the fields across the state. Heavy rainfall over the next week could flatten crops and cause grain sprouting, reducing market value. Vegetable growers in Nadia, Hooghly, and North 24 Parganas districts report similar concerns, with produce already arriving at markets at reduced quality following last month's uneven rainfall.
The state government has asked banks to extend loan repayment deadlines for farmers in the most-affected districts, though formal relief measures await damage assessment. Agricultural scientists at the BCKV research centre in Mohanpur have advised farmers to harvest mature crops immediately where feasible and store them in elevated, covered spaces. Insurance claims through the PM Fasal Bima Yojana will require field verification once weather clears, a process that typically takes several weeks.
What to Watch Next
The IMD will issue its next detailed update Friday morning, when meteorologists will have better data on how the Bay of Bengal depression is tracking. If the system intensifies as currently modelled, the alert duration could extend beyond seven days. The West Bengal government has called an all-party meeting for Saturday to brief opposition leaders on preparedness measures and seek cooperation for any emergency legislative measures that may be needed. Residents should monitor official channels including the IMD website and the state disaster management helpline (033-2214-2126) for real-time updates. Those in flood-prone areas should prepare emergency kits now rather than waiting for evacuation orders.
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Local elected representatives held an emergency meeting with district officials Thursday morning to review evacuation routes and shelter capacities. Thunderstorm Activity Adds to Concerns Beyond the rainfall, the IMD has specifically warned of thunderstorm activity throughout the alert period.
