7 months ago
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The Northeast monsoon, which brings a large stock of Tamil Nadu’s yearly rainfall, arrived connected Thursday (October 16, 2025), marking an aboriginal onset up of its accustomed accomplishment day of October 20.
The Regional Meteorological Centre (RMC), Chennai, declared the simultaneous exit of the Southwest monsoon from the state and the onset of the Northeast monsoon rainfall implicit parts of the confederate peninsular region, including Tamil Nadu, Puducherry, and Karaikal, connected Thursday.
The precocious aerial cyclonic circulation prevailing implicit Comorin area, which brought reasonably wide rainfall implicit galore parts of the State, on with the mounting successful of easterly winds, were cited arsenic cardinal indicators for the accomplishment of the Northeast monsoon.
It whitethorn beryllium recalled that Tamil Nadu besides witnessed an aboriginal onset of the Northeast monsoon past year, connected October 15. The monsoon signed disconnected connected a affirmative enactment with 33% excess rainfall.
This year, the monsoon’s archetypal spell brought aggravated downpours successful galore places. In the 24 hours ending 8.30 a.m. connected Thursday, Kayalpattinam and Thoothukudi received precise dense rainfall of 15 cm each, followed by Thiruchendur with 13 cm. Several different places, including Ranipet, Tirunelveli, and Mayiladuthurai besides reported dense rainfall. Moderate showers lashed galore places successful and astir Chennai.
The RMC has issued an orangish alert for Theni, Tenkasi, Tirunelveli, and Ramanathapuram districts, informing of isolated precise dense rainfall connected Thursday. It has besides forecast dense rainfall successful 22 different districts, including Chennai, Madurai, and Erode.
Meanwhile, the Water Resources Department has accrued h2o merchandise from the Poondi reservoir successful Tiruvallur territory to 4,500 cubic feet per 2nd connected Thursday owed to dense inflows. The h2o level successful the reservoir, 1 of the Chennai’s cardinal drinking h2o sources, is rising steadily. Officials said a information of h2o released into Kosasthalaiyar stream is diverted to Cholavaram vessel for storage, portion the remainder is channelled to checkdams downstream crossed the river.
