The IMD has issued a yellow alert to several parts of West Bengal for the week as Cyclone Arnab is set to make landfall in Andhra Pradesh.
According to the weather forecast, the Gangetic west may receive fairly widespread to widespread rainfall on October 28 and 29.
Cyclone Arnab is set to make landfall on October 28.
The sub-Himalayan part of West Bengal, meanwhile, is expected to receive widespread rainfall during October 29-30, with heavy rainfall possible in isolated areas during October 29-30.
According to the IMD’s notice, the weather system, which lay over east-central and adjoining west-central Bay of Bengal on Monday morning, is moving west and northwest, the IMD said in a bulletin.
The weather in South Bengal may change from October 27 due to the depression.
The forecast indicates there is a possibility of light to moderate rain or rain with thunder showers at some places in East Midnapore, West Midnapore, Jhargram, North 24 Parganas, South 24 Parganas, Kolkata, Howrah and Hooghly from October 27-30.
At the same time, there is a possibility of thunderstorms and gusty winds of 30-40 kilometres per hour in areas of South 24 Parganas, East Midnapore, West Midnapore and Jhargram.
From October 28, the rain is set to increase in South 24 Parganas, East Midnapore, West Midnapore and Jhargram.
Showers are also likely in South Bengal on October 29.
Rain accompanied by thunderstorms is likely in some areas of East Midnapore, West Midnapore, Jhargram, Bankura and Purulia.
On October 29 and October 30, sub-Himalayan districts of Darjeeling, Kalimpong, Alipurduar and Jalpaiguri could receive heavy rain.
There may be squally winds off the West Bengal coast from October 27-29, with wind speeds reaching 35-45 kmph, occasionally gusting to 55 kmph.
Fishermen have been warned not to venture into the sea off the Bengal coast from Monday.
