India, May 26 -- The India Meteorological Department (IMD) on Monday declared an early onset of monsoon and upgraded the alert in city from yellow to orange (very heavy rainfall). The city will continue to be under yellow alert till Thursday, it added.

This year, the city has witnessed the onset of monsoon ten days before the usual date of June 5 due to the southwest monsoon which occurred in Maharashtra on May 25. This year, it was also the earliest onset in Mumbai since 1990 in 35 years, when it arrived on May 20.

According to the rain stations of Brihanmumbai Municipal Corporation (BMC), Mumbai city recorded 37mm of rainfall, Eastern suburbs received 15 mm and Western suburbs received 18mm in the last 24 hours, as of 8am on Monday. ...