KOLKATA: Darkness engulfed the city on Friday afternoon as the sky was taken over by tall and voluminous clouds. A short spell of rain, accompanied by thunder and lightning, followed and provided the much-needed relief to the Kolkatans reeling under heat and humidity for the last few days.
The Met office has predicted a downpour on Saturday and Sunday too.
A cyclonic circulation, developed over the northern part of the Bay of Bengal, has triggered the thundershower, Met officials said. According to them, this circulation over the past few days has been drawing in abundant moisture to form the thunder clouds. On Friday, the circulation laid only 5.8km above the sea level. The heaps of cloud that engulfed the sky stood 8 to 10km tall. The combined impact was widespread rain with thunder and lightening.
"We are expecting this kind of downpour for the next two days at least. But the spell could be brief as the rain is triggered by the formation of cyclonic circulation," said G K Das, meteorologist at Regional Meteorological Centre Kolkata.
An incursion of moisture from the sea and up and down movement of the wind led to the formation of the monstrous clouds. Fuelling it further to form thunderclouds containing frozen raindrops was the cyclonic circulation. Friction or collision between these rain drops led to the lightening.
Weathermen said these thick clouds are not very usual during this time of the year. The spell of thundershower lasted a little less than two hours. However, due to the intensity accompanied by a high tide, it left many parts of the city waterlogged.
Behala received the highest rainfall of 62mm during the spell between 4 and 5.45pm, followed by 57mm at Topsia, 56 at Palmer Bazar, 50mm at Kalighat and 41.6mm at Thanthania during the same period. Areas under Central Avenue, Bidhan Sarani, College Street and Ballygunge were flooded with rain water. Even as KMC officials worked constantly at the pumping stations, they could not help much as the water level in Hooghly was already high due to a high tide. that would reside only after 8pm.
Monsoon has started retreating from North Western part of the country. But Met office said it was too early to say when it will withdraw from this region. Under normal conditions the monsoon lasts till October 10 in the city.
Then came the rain pouring down accompanied by thunder and the lightening. The short but sharp shower on Friday evening provided the much needed break to Kolkatans who were reeling under rising heat and humidity for the past few days. The Met office has predicted a similar kind of downpour for Saturday and Sunday as well.
The Met office has predicted a downpour on Saturday and Sunday too.
A cyclonic circulation, developed over the northern part of the Bay of Bengal, has triggered the thundershower, Met officials said. According to them, this circulation over the past few days has been drawing in abundant moisture to form the thunder clouds. On Friday, the circulation laid only 5.8km above the sea level. The heaps of cloud that engulfed the sky stood 8 to 10km tall. The combined impact was widespread rain with thunder and lightening.
"We are expecting this kind of downpour for the next two days at least. But the spell could be brief as the rain is triggered by the formation of cyclonic circulation," said G K Das, meteorologist at Regional Meteorological Centre Kolkata.
An incursion of moisture from the sea and up and down movement of the wind led to the formation of the monstrous clouds. Fuelling it further to form thunderclouds containing frozen raindrops was the cyclonic circulation. Friction or collision between these rain drops led to the lightening.
Weathermen said these thick clouds are not very usual during this time of the year. The spell of thundershower lasted a little less than two hours. However, due to the intensity accompanied by a high tide, it left many parts of the city waterlogged.
Behala received the highest rainfall of 62mm during the spell between 4 and 5.45pm, followed by 57mm at Topsia, 56 at Palmer Bazar, 50mm at Kalighat and 41.6mm at Thanthania during the same period. Areas under Central Avenue, Bidhan Sarani, College Street and Ballygunge were flooded with rain water. Even as KMC officials worked constantly at the pumping stations, they could not help much as the water level in Hooghly was already high due to a high tide. that would reside only after 8pm.
Monsoon has started retreating from North Western part of the country. But Met office said it was too early to say when it will withdraw from this region. Under normal conditions the monsoon lasts till October 10 in the city.
Then came the rain pouring down accompanied by thunder and the lightening. The short but sharp shower on Friday evening provided the much needed break to Kolkatans who were reeling under rising heat and humidity for the past few days. The Met office has predicted a similar kind of downpour for Saturday and Sunday as well.
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