Mumbai: October sees highest rainfall in decade, IMD issues yellow alert for Monday

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Mumbai has recorded the highest one-day rainfall in October in a decade, for two consecutive years now. The Santa Cruz observatory registered 113 mm of rainfall on Saturday. The earliest highest rainfall was recorded on October 15 last year. The all-time highest rain recorded in a single day is 140 mm on October 4, 1988. The city has received 115 mm of rain so far, compared to an average of 89 mm for the entire October.

Citizens were trapped in unannounced October rain on Friday. The sky was blue in the morning, but it turned jet black in the noon and heavy to very heavy showers lashed the city in the evening. Santa Cruz reported 113.8 mm rainfall in 24 hours, till 8.30 am on Saturday. Similarly, Colaba received 85.2 mm rain in the same duration. This is not only the highest single day rainfall in a decade but the month experienced heavy rainfall for two consecutive years. In 2021, 86.5 mm rainfall was observed on October 15. Similarly last year, monthly total rainfall was 170 mm, second highest in a decade. According to the data shared by the Brihanmumbai Municipal Corporation, most of the parts received heavy rainfall during 2 pm to 7 pm on Saturday and 3am to 5 am on Saturday. Fort, Grant Road and Parel received more than 200 mm rain.

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Though the Tulsi (169mm) and Vihar (139mm) received heavy rainfall, the other lakes outside of Mumbai did not receive more than 25 mm rainfall. Tulsi and Vihar lakes are smaller in size, so the overall lakes' stock remained at 97.5 per cent. There is no alert for Mumbai for Sunday, but the IMD issued a yellow alert for Mumbai, Thane, and Palaghar for Monday. There is possibility of thunderstorms accompanied with lightning, light to moderate rain, and gusty winds at isolated places.