Friday, September 6, 2019

This monsoon, Mumbai has got more rain than annual average 

06/09/2019 , Tanvi Deshpande, Mumbai 




has received more than 3,000 mm rainfall this season, way beyond its annual average of 2,514 mm. The last time this happened was in 2011.

Schools and colleges remained closed on Thursday. Rain has largely abated and the Met Department has scaled down its alert from orange to yellow.

The Hindu reported on Thursday that the city received more than the entire month’s rainfall in the first four days of September (496.5mm). This brings the total rainfall in Mumbai since June 1 to 3078.2 mm — 1117.3 mm above normal. Mumbai has already received 122.4% of its annual average rainfall.

The city received 242.2 mm rainfall in the 24 hours leading up to 8.30 a.m. on Thursday, the second highest in a decade. The highest was 303.7 mm in 2017. The all time record for the highest 24-hour September rainfall is 318.2 mm in 1981.

According to data from BMC’s automated weather systems, some areas that received the highest rainfall between 3 p.m. on Tuesday and 3 p.m. on Wednesday are Vikhroli (354 mm), Borivali (330 mm), Marol (314 mm), Wadala (310 mm), Andheri West (304 mm), Kandivali (303 mm) and Dharavi (300 mm).

There is still a month to go for the monsoon season to end, tweeted K.S. Hosalikar, Deputy Director General, IMD, on Thursday. “As on date, Santacruz has received 3078.2 mm and Colaba has received 2162.2 mm.”

The IMD had issued an ‘orange alert’ (heavy to very heavy rain) for Mumbai for Thursday, but scaled it down to ‘yellow alert’ (heavy rain at a few places). Between 8.30 a.m. and 5.30 p.m., Mumbai received only 8.9 mm rainfall.

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