Heavy rains continued to lash several districts of West Bengal on Friday and many regions of the state are still waterlogged. The meteorological department has forecast that rain would persist till Sunday.
Under the influence of a cyclonic circulation over Gangetic West Bengal and neighbourhood, a low-pressure area has formed over Southwest Bihar and adjoining southeast Uttar Pradesh with associated cyclonic circulation extends up to mid tropospheric levels.
The meteorological department has predicted light to moderate rain at most places over Bengal districts from June 18-20.
In its latest bulletin, the weather department issued an orange alert for Darjeeling, Kalimpong and Alipurduar districts where heavy to very heavy (07-20 cm) rainfall is predicted.
Yellow warning has been issued for Jalpaiguri, Cooch Behar, Malda, North & South Dinajpur, Murshidabad, Nadia, Birbhum, West Burdwan, Bankura, Purulia and North & South 24 Parganas districts where heavy rain (07-11cms) likely to occur.