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South Bengal Faces Heavy Rain, Thunderstorms as IMD Issues Fresh Warning

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South Bengal Faces Heavy Rain, Thunderstorms as IMD Issues Fresh Warning



South Bengal is bracing for another spell of heavy rain and thunderstorms, with the India Meteorological Department (IMD) issuing fresh warnings for September 4 and 5.

The latest warning from the Regional Meteorological Centre in Kolkata indicates that Gangetic West Bengal is under a heavy-rain warning on September 4 and September 5, accompanied by the possibility of thunderstorms, lightning and squally winds.

Heavy Rain Warning Across South Bengal

The weather system affecting the region has already brought significant rainfall to parts of West Bengal.

Recent heavy downpours caused waterlogging and traffic disruption in Kolkata and several South Bengal districts, affecting commuters and normal daily activity.

The IMD's latest forecast indicates that unsettled weather will continue, although the intensity and distribution of rainfall may vary between districts.

Kolkata Under Thunderstorm Risk

Kolkata is expected to remain generally cloudy on September 4, with one or two spells of rain or thundershowers.

The city is also under a warning for thunderstorms accompanied by lightning and gusty winds of around 30–40 kmph. Similar conditions are expected on September 5.

The forecast temperature range for Kolkata-Howrah on September 4 is around 26°C to 32°C.

Several Districts on Alert

The wider South Bengal region is also expected to experience periods of heavy rainfall.

Recent forecasts have highlighted areas including North and South 24 Parganas, Howrah, Hooghly, Nadia, East and West Burdwan and Birbhum among districts facing heightened rainfall risks.

Authorities and residents in vulnerable areas have been advised to remain alert, particularly where waterlogging or drainage problems can quickly disrupt transport.

Low-Pressure System Behind the Weather

The prolonged spell of unsettled weather is associated with a well-marked low-pressure area and associated cyclonic circulation, which has influenced rainfall over eastern and central parts of India.

The IMD's special bulletin has been tracking the system and its movement, which is contributing to continuing moisture and rainfall over the region.

Rainfall Could Continue Beyond September 5

The latest IMD warning does not indicate that the unsettled weather will immediately disappear after September 5.

For Gangetic West Bengal, the current warning shows heavy rain on September 4 and 5, followed by no warning on September 6 and 7, before another heavy-rain warning appears for September 8–10.

This means rainfall conditions could remain changeable across South Bengal through the coming week.

Waterlogging and Travel Disruptions Remain a Concern

The recent rainfall has demonstrated how quickly intense showers can affect Kolkata's roads and transport network.

Low-lying parts of the city have experienced water accumulation during heavy spells, while peak-hour rainfall has caused traffic congestion and delays for commuters.

Residents should therefore remain cautious during periods of intense rain, particularly around waterlogged roads and during thunderstorms.

What Residents Should Watch

The immediate concerns are heavy rain, lightning, gusty winds and localised waterlogging.

People travelling during thunderstorms should avoid exposed areas and take appropriate precautions during lightning activity. Drivers should also be prepared for reduced visibility and slower traffic during intense showers.

The IMD's warnings may change as the weather system evolves, making updated district-level forecasts important for residents and local authorities.

For now, South Bengal remains under an active weather spell, with September 4 and 5 identified as key days for heavy rainfall and thunderstorms.

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