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Morning showers cool city

Alipore: Three sets of thunderclouds approached Calcutta at different times of the day but only one brought rain to the city on Wednesday.

The sky was overcast and the weather pleasant for most of the day. Wednesday's maximum temperature was 32.5 degrees Celsius, three notches below normal and the lowest recorded this month.

"The three sets of thunderclouds had formed over Behrampore, Burdwan and Purulia. The first, which formed over Behrampore, made it to Calcutta around 10.30am and triggered rain across the city. There was lightning and thunder and the wind speed touched 36kmph," said Sanjib Bandyopadhyay, deputy director general, India Meteorological Department, Calcutta.

The city received between 3.6mm and 18.8mm of rain.

The second set of thunderclouds formed over Burdwan around 11am and the third set over Purulia a few hours later. The two grazed the city, around 12.30pm and 6pm, and brought about sprinklings of rain in one or two places.

"The clouds that formed over Purulia disintegrated on their way to Calcutta. The third set of thunderclouds veered south at the last moment," Bandyopadhyay said.

The thunderclouds had formed under the impact of two cyclonic circulations, one over east Bihar and its adjoining areas and the other over west Uttar Pradesh and east Madhya Pradesh, and a trough of low pressure passing over central parts of Bengal.

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