Various parts of West Bengal are likely to receive light to moderate rainfall with thunderstorms and lighting during next two to three hours from 5 pm on Friday, Alipore Meteorological department said. Rainfall will be accompanied by gusty winds blowing at 30-40 kilometres per hour.
The places receiving rainfall are parts of Kolkata, Howrah, Hooghly, West Burdwan, East Midnapore, Murshidabad and South Dinajpur.
Rainfall is likely to continue intermittently all over West Bengal till May 2.
Parts of Bankura, Birbhum and Purulia may receive heavy rainfall on Friday.
Temperature may drop below normal. In some places, the day temperature may even dip to 4-5°C below the normal on Saturday due to rainfall.
The rainfall is the result of two cyclonic circulations prevailing over Sub Himalayan region of Bengal and southern parts of Chhattisgarh and adjoining areas. An existing high-pressure area over Bay of Bengal is causing inflow of moisture in large amount leading to formation of clouds.
Another depression over South Andaman Sea is growing strong and is likely to move Northeastwards towards Myanmar coast during next 48 hours.
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