Rainfall and thunderstorms may continue in West Bengal till Saturday, the Alipore Meteorological department said.
Kolkata will have partly cloudy sky in the next 48 hours. Due to increased moisture in air, the percentage of humidity will remain high.
Kolkata, Howrah, North and South 24 Parganas, East and West Midnapore may receive intermittent rainfall with thunderstorms later in the day on Wednesday. Gusty wind may blow over one or two places at 30-40 kilometre per hour speed.
The officials said that two cyclonic circulations are prevailing over Haryana and Bangladesh. A low pressure trough is extending from Haryana to Bangladesh through Bengal. The low pressure trough is causing a high inflow of moisture from Bay of Bengal into the landmass of Bengal. The moisture is giving rise to thunderstorm clouds.
Such conditions will continue till Saturday. Rainfall may decrease from Sunday.
Temperature is expected to remain lower than usual during these days due to rainfall.
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