Mumbai, Aug 19: Heavy to very heavy rainfall is likely to occur in Konkan and central Maharashtra over the next four to five days, the India Meteorological Department has said.

Mumbai and neighbouring Thane are likely to witness maximum rainfall intensity on Friday and Saturday, when the Ganesh festival commences, IMD Mumbai centre's deputy director general K S Hosalikar said.

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The 10-day Ganesh festival will begin on August 22. "With likely formation of low pressure ovr N Bay on 19Aug & getting well marked in nxt 24hrs & moving westwards;Mah,Goa,Guj likely to receive widespread RF nxt 4-5 days with hvy to very hvy RF ovr Konkan, M Mah more:Mumbai Thane too. 21-22 could be Max;Arrival days of Lord Ganesha," Hosalikar tweeted late Tuesday night.

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The Modak Sagar dam, one of the seven reservoirs which supply water to Mumbai, started overflowing on Tuesday night following incessant rains in its catchment area, a civic official said.

With good rainfall this month, the seven dams- Bhatsa, Upper Vaitarna, Middle Vaitarna, Tansa, Modak Sagar, Vihar and Tulsi - have 83 per cent water stock, officials said.

(The above story is verified and authored by Press Trust of India (PTI) staff. PTI, India’s premier news agency, employs more than 400 journalists and 500 stringers to cover almost every district and small town in India.. The views appearing in the above post do not reflect the opinions of LatestLY)