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Widespread, aggravated rainfall lashed galore parts of Chennai and surrounding districts since Monday nighttime arsenic terrible cyclonic tempest Montha moved person to the coast.
The Regional Meteorological Centre (RMC), Chennai, said the terrible cyclonic tempest lies implicit westcentral Bay of Bengal, astir 190 km south-southeast of Machilipatnam and 340 km south-southwest of Visakhapatnam successful Andhra Pradesh.
Read unrecorded updates connected Cyclone Montha here.
The upwind strategy is expected to transverse the Andhra Pradesh seashore betwixt Machilipatnam and Kalingapatnam, astir Kakinada, connected Tuesday (October 28, 2025) evening oregon night, with a maximum upwind velocity of 90-100 kmph, gusting up to 110 kmph.
Heavy rains successful Chennai arsenic a effect of Cyclone Montha connected Tuesday | Photo Credit: M. Srinath
An orangish alert has been issued for Tiruvallur territory for 24 hours ending 8.30 a.m. connected Wednesday (October 29). Eight much districts, including Kancheepuram and Ranipet, are apt to person dense rainfall until the terrible cyclonic tempest makes landfall.
During the past 24 hours ending 8.30 a.m. connected Tuesday, respective places successful utmost northbound Tamil Nadu received aggravated downpour. Ennore successful Chennai recorded the heaviest rainfall of 13 cm, followed by Virinjipuram successful Vellore (11 cm). While Chennai and its neighbouring districts recorded widespread, mean to dense rainfall, different districts similar the Nilgiris, Coimbatore, Villupuram, and Thoothukudi besides received airy rainfall.
In its Nowcast valid till 1 p.m., the RMC has forecast mean rainfall is apt to proceed astatine a fewer places implicit Chengalpattu, Chennai, Ranipet, Kancheepuram, and Tiruvallur and astatine isolated places implicit Kanniyakumari, Tenkasi, Tirunelveli, Tiruvannamalai, Vellore, and Villupuram. It has besides issued an interaction informing that postulation whitethorn beryllium affected and anticipation of waterlogging successful immoderate areas.
With different slump remaining practically stationary implicit Arabian Sea, districts similar Theni, Tenkasi, Kanniyakumari, and the Ghat areas of Coimbatore excessively would person dense rains till Wednesday morning.
North coastal and adjoining districts, Puducherry and Karaikal country volition acquisition beardown aboveground winds with velocity reaching 30-40 kmph gusting to 50 kmph connected Tuesday.
Red Hills floodgates reopened
Meanwhile, the Water Resources Department (WRD) has reopened floodgates of Red Hills reservoir, 1 of Chennai’s cardinal drinking h2o sources, to discharge 250 cubic feet per second, pursuing rainfall and accrued inflow. Officials of the WRD noted that the insignificant irrigation tanks located upstream of the reservoir are astir 95% afloat and the reservoir received an inflow of 556 cusecs. Water discharge is besides being maintained successful different 2 cardinal reservoirs: Poondi and Chembarambakkam.
On Tuesday, Chennai’s six drinking h2o sources, including Veeranam vessel successful Cuddalore district, had a full retention of 10.18 1000 cardinal cubic feet against their capableness of 13.22 tmcft. The waterbodies had a combined retention of 6.14 tmcft connected the aforesaid time past year.
A full of 711 sewer cleaning vehicles, including those hired from different districts, are successful cognition to wide sewer blocks, according to Chennai Metrowater.
