The weather department earlier in the day issued an alert for moderate to heavy rainfall and thunderstorms expected in parts of Maharashtra. Pics/Satej Shinde, Ashish Raje and Atul Kamble

Earlier in the day, the weather department, in its bulletin had stated that Mumbai was likely to experience heavy rainfall at isolated locations

Parts of Mumbai witnessed heavy showers overnight along with thunder and lightning. The rains eased by morning, with only light showers, and no major waterlogging was reported

The city recorded moderate rainfall in the last 24 hours, with Colaba receiving 31 mm, the Eastern Suburbs recording 21 mm, and the Western Suburbs 20 mm between 8 am on June 14 and 8 am on Sunday, June 15

Meanwhile, Mumbai has seen a sharp spike in the number of days that it receives rainfall over 100 mm in the past 3 years, according to a study conducted by Brihanmumbai Municipal Corporation’s (BMC) Disaster Management Department

From 13 such days in 2022 to 14 days in 2023, and 21 days during the monsoon season of 2024, the city has recorded an increase of 61 per cent

This number exceeds the annual average of 16 days a year where rainfall is recorded above 100 mm within a day. For comparison, Mumbai receives an annual rainfall of about 2100 mm in the monsoon months, according to official data

The study has also revealed that the average of high-intensity rainfall has increased for Mumbai during this time

In the last six years, the average high intensity rainfall received increased to 182 mm, from 131 mm, in a short span of four hours