Low pressure may still drench Kolkata, temperature dip likely after December 11 | Kolkata News – Times of India

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KOLKATA: The city and the coastal districts of Bengal could be lashed by intense showers early on Monday even as a low-pressure area — a ‘remnant’ of Cyclone Jawad that moved towards the state along the Odisha coast on Sunday evening — nears the Bengal coast at midnight on Sunday.
The showers in Kolkata, though, could lose intensity by the second half of Monday and cease completely by Tuesday morning, said the Met office. It has also predicted a dip in temperature after December 11. Kolkata received 24mm rain till 5.30pm on Sunday.

Jawad lost strength and got reduced to a depression as it came close to Puri on Sunday afternoon, then recurved north-northeastward towards Bengal coast, weakening further as it moved. By evening, it had been reduced to a depression and by the time it would come close to the Bengal coast, it would be a low-pressure area, said weather officials.

“Since it’s no longer a cyclone, the system may not have a landfall and dissipate somewhere near the coast. It will still lead to heavy showers in the coastal districts — the two Midnapores and 24 Parganas, along with Jhargram. They may receive heavy rain till Monday afternoon after which the showers could lose intensity since the system is set to move away towards Bangladesh,” said Regional Meteorological Centre (RMC) director GK Das.
From the second half of Monday, rain will turn intense at the districts adjoining Bangladesh — Murshidabad, Nadia and North 24 Parganas. “As the showers gradually cease in Kolkata and the coastal districts from the latter half of Monday, the border districts will receive heavy showers as the system moves towards Bangladesh. These districts will be lashed by heavy rain till Tuesday,” added Das.
On Sunday, Jawad hovered over northwest and adjoining westcentral Bay of Bengal as a deep depression and moved north-northeastwards with a speed of 18 kmph. At noon, it lay about 70 km south-southeast of Puri (Odisha), 100 km east-southeast of Gopalpur (Odisha), 150 km south-southwest of Paradip (Odisha) and 320 km east-northeast of Vishakhapatnam (Andhra Pradesh).
Three factors led to Jawad losing its strength, said weather experts. First, the lack of a uniform ‘wind shear’ that was needed to keep the cyclone intact and make it move towards the coast. Secondly, north Bay of Bengal — over which the system is now hovering — turns cool in December which cuts off the supply of moisture to cyclonic systems, rendering them weaker. Finally, cool winds have been blowing into the sea from the land which is making the system disintegrate.
Four flights were delayed and 11 trains were cancelled on Sunday.

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