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Mumbai weather: Downpour likely in Mumbai Metropolitan Region in next 4 days, IMD issues orange alert | Mumbai News – Times of India

MUMBAI: The India meteorological department (IMD) has issued an orange alert, indicating heavy to very heavy rain, for the next four days in parts of Mumbai, Thane, Palghar and Raigad. IMD officials said between June 11 and 13, there was a possibility of over 200mm rainfall.
For June 15, a warning for extremely heavy rain at isolated places has been issued.
The city woke up on Wednesday to the official onset of the monsoon, with several areas reporting close to 300mm of rain.
Among the parts that saw heavy rain in a 12-hour span were Sion (283mm), Dharavi (277mm) and Vikhroli (285mm) in the eastern suburbs.

Though the heavy downpour in various parts caused waterlogging at chronic spots, disruption of suburban services on Central Railway, several BEST buses experiencing breakdowns and road traffic turning into a crawl, the big positive was that Mumbai has already recorded 82% of its average June rainfall of 505mm, having seen a total of 415 mm rain since June 1. On Wednesday alone, the city got 44% (222mm) of its average June rain. Average rain recorded in the eastern suburbs on Wednesday was 214.4mm, while the western suburbs saw 191mm and the island city 138mm.
“The southwest monsoon has advanced into the entire central and some parts of north Arabian Sea, entire Konkan covering Mumbai and most parts of interior Maharashtra including Vidarbha. A red alert for some places has been issued,” said Shubhangi Bhute of IMD.
Yellow alert turned red in city with heavy rain in morning hrs
The onset of monsoon this year happened two days before the official onset date of June 11, which IMD officials said was owing to the strengthening of westerly winds. The 222mm of rain recorded was the four-highest one-day rain for the month of June. In 2019, there was 234.8mm rain on June 29, in 2018, 231mm rain was reported, and in 2015, 283.4mm was reported on June 19.
In Mumbai, in the morning hours on Wednesday from 8.30am to 11.30am, over 100mm of rainfall was recorded by IMD’s Santacruz observatory.
This led the weather bureau to upgrade its forecast from a yellow alert (indicating heavy rain in isolated places) to a red alert for the city and its adjoining areas, indicating extremely heavy rainfall.
By evening, total rain recorded by the Santacruz observatory (between 8.30am and 8.30pm) was 222mm, which falls in the extremely heavy category as per IMD classification. The IMD Colaba observatory recorded 45.6mm, which is in the moderate category (15.6mm to 64.4mm). Thane recorded 162mm of rain.
“With the likely formation of a low-pressure area over North Bay of Bengal and neighbourhood by June 11 and strengthening of westerlies, an active rainfall spell is expected over Konkan-Goa and adjoining ghat areas of Madhya Maharashtra from today (June 9). Widespread rainfall activity is expected over the region during the period with heavy to very heavy rainfall at a few places, with extremely heavy falls at isolated places. Enhanced rainfall activity is expected to continue for subsequent 6-7 days,” said IMD.
The IMD’s Doppler radar continued to remain non-functional even on Wednesday. Officials said there was an issue but would not comment on when it would be resolved.


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