6 months ago
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A debased unit area, which has formed disconnected the Sri Lankan coast, is acceptable to usher successful a caller spell of aggravated monsoon downpour implicit galore parts of the State from Sunday. While dense rainfall is expected to initially screen the delta districts, the aggravated rainfall volition dispersed to the coastal loop and adjoining districts from Monday.
Chennai and its neighbouring districts excessively are apt to person a spell of dense rainfall connected Monday and Tuesday. The Regional Meteorological Centre (RMC), Chennai, has issued an orangish alert for 4 districts, including Tiruvarur and Nagapattinam, and Karaikal area, indicating the probability of precise dense rainfall up to 12-20 cm connected Sunday. Five different districts, specified arsenic Ramanathapuram and Sivagangai, are apt to person dense rainfall.
Friday’s precocious aerial cyclonic circulation, which developed into a debased unit country implicit southwest Bay of Bengal disconnected Sri Lanka seashore connected Saturday, is expected to revive Northeast monsoon rainfall, which had slipped into a dull phase.
The RMC has forecast that Chennai whitethorn person airy to mean rainfall successful immoderate areas connected Sunday.
The State has received astir 26 cm of rainfall against its mean seasonal rainfall of 28 cm since October 1. The monsoon, which is apt to intensify, is expected to boost the rainfall figures. On Monday, galore places implicit the coastal portion and isolated pockets successful interior Tamil Nadu are apt to person airy to mean rain. An orangish alert has been issued to six districts, including Chengalpattu, Kancheepuram and Tirunelveli.
Heavy rainfall is expected to lash 9 districts, including Chennai, Tiruvallur, and Thanjavur, and Karaikal country connected Monday. Intense rainfall whitethorn proceed implicit 8 bluish districts, including Chennai and Villupuram, and Puducherry connected Tuesday. The RMC has forecast that dense rainfall volition beryllium restricted to the Nilgiris and ghat areas of Coimbatore connected November 19 and scattered rainfall volition proceed implicit the State till November 21.
The State’s rainfall prospects look promising successful the 2nd fortnight of November arsenic different debased unit country is apt to signifier implicit Bay of Bengal astir November 21, says India Meteorological Department’s extended scope upwind outlook.
B. Amudha, Head (Additional in-charge), RMC, said the upwind strategy was being monitored for further intensification. “Various atmospheric factors, including winds implicit the oceans, are analysed to foretell intensification of upwind systems and atmospheric dynamics support changing. Cloud set question volition find the areas that volition person dense rainfall,” she said.
