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Mumbaiites woken up by thunder and heavy rains, city records 103.2mm rain in four hours

The heavy rain and wind started around 2am and stopped by 6am.

mumbai Updated: Sep 13, 2017 12:51 IST
Badri Chatterjee
Badri Chatterjee
Hindustan Times
Mumbai news,mumbai rain,thunder clap
Picture for representation(HT File)

Mumbaiites woke owing to thundershowers that lashed the city in the wee hours of Wednesday.

The heavy rain and wind started around 2am and stopped by 6am. The weather bureau said that the suburbs received 103.2mm of rain in just four hours.

The Colaba station, representative of south Mumbai, received 58.6mm rain during the same period. Heavy rain was also reported at Thane, Navi Mumbai, Palghar, Panvel and many other parts of the state between Tuesday night and Wednesday morning.

Under the weather department’s classification, 15.6mm to 64.4mm of rain is considered ‘moderate’, 64.5mm to 115.5mm is ‘heavy’, 115.6mm to 204.4mm is ‘very heavy’ and more than 204.5mm is ‘extreme’.

The weather bureau said overnight showers was a result of land heating during the day, and a similar forecast was issued for Wednesday evening and night as well. On Tuesday, Mumbai recorded its third highest September day temperature in a decade at 35.9 degrees Celsius, almost 6 degrees Celsius above normal.

“Warm winds from the east are currently prevailing over the city during the day. This is raising temperatures and leading to land heating. As a result, the convection currents are leading to heavy cloud formation during the evening hours and thundershowers during the night,” said KS Hosalikar, deputy director general western region, India Meteorological Department (IMD). “These weather events are termed as ‘September heating’ and similar conditions are expected on Wednesday night and Thursday morning as well.”

Overnight downpour brought night temperatures down in the city. Santacruz and Colaba both recorded 23.6 degrees Celsius, which was almost a degree Celsius below normal as compared to 27 degrees Celsius recorded the previous night, 2 degrees Celsius above normal.

Citizens said that the thundershowers almost sounded like a cloudburst on early Wednesday morning. “My whole family was woken up at 3.30am due to the loud thunderclap and then it began pouring. It sounded almost as if there was a cloudburst and it seemed like it heavy rain would continue throughout Wednesday. But everyone was surprised when the sun came up as daylight hit the city,” said Rajeev Awasti, a Wadala resident.

First Published: Sep 13, 2017 12:34 IST