Overview

• The southwest monsoon advanced into Mumbai on May 26, marking the earliest onset in city records and arriving nearly two weeks ahead of the usual June 11 date.
• May rainfall totals have soared, with Colaba observatory logging 456.9 mm to surpass its 1918 record and Santacruz reporting 342 mm to date.
• IMD has issued yellow alerts for Mumbai, Thane and Palghar through May 31 and an orange alert for Raigad, forecasting scattered heavy to very heavy showers.
• Torrential downpours have caused widespread waterlogging that disrupted trains, flights and flooded key sites including the Acharya Atre Chowk Metro station.
• The BMC fined four mini pumping station operators ₹10 lakh each for failing to drain water effectively and IMD projects 106 percent of the long-period average rainfall for June–September.