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Cyclone stalls Celsius dip

Cyclone Madi, raging in south Bay of Bengal, has denied Calcutta its sub-16 Celsius hat-trick that would have signalled the advent of winter.

The minimum temperature on Sunday was 16.5 degrees, belying expectations of a further drop after the Celsius had plunged to the season’s lowest reading of 15.9 on Friday.

Monday could see the minimum temperature rise to 17 as Madi moves northwest, injecting moisture into the city air and blocking the flow of the cold winds from the north.

“Madi became a very severe cyclonic storm on Sunday morning and has been causing a lot of moisture incursion since, including in Calcutta. This might continue till Tuesday, raising the minimum temperature to 17 degrees or above,” said a senior official of the India Meteorological Department, Delhi.

The cyclonic storm is unlikely to come close enough to the city to cause rainfall.

According to experts, the cloud cover triggered by Cyclone Madi would lower the day temperature by blocking sunlight, but have the opposite effect on night temperature.

Madi is the third cyclonic storm over the Bay in a month after Helen and Lehar. “Each time Calcutta has been able to shed the excess moisture and the temperature has been on the way down, a cyclonic storm has pushed up the Celsius again. The temperature is likely to finally drop from Wednesday,” a weather scientist said.