7 months ago
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After lashing Chennai and Tiruvallur for 3 days, the rainfall is expected to displacement to south-coastal Tamil Nadu arsenic Cyclone Ditwah’s remnant continues to dissipate. A upwind strategy implicit the Arabian Sea is apt to trigger dense rainfall implicit the south-coastal districts connected Friday.
With intermittent rainfall persisting implicit bluish districts connected Thursday, the Regional Meteorological Centre (RMC) revised the dense rainfall informing for districts, including Chennai and its neighbours, Vellore, and Tiruvannamalai. At the aforesaid time, Tenkasi, Thoothukudi, Tirunelveli, and the ghat areas of the Nilgiris and Coimbatore were placed nether a yellowish alert.
Officials of the RMC said the prevailing precocious aerial cyclonic circulation implicit the southeast Arabian Sea and adjoining Lakshadweep was apt to prolong dense rainfall implicit Tenkasi, Thoothukudi, and Tirunelveli and the ghat areas connected Friday. Scattered rainfall is apt crossed the State. Chennai, which was pounded by rainfall since the commencement of the week, whitethorn get a respite arsenic rainfall is expected to easiness to light/moderate strength connected Friday.
During the 24 hours ending 8.30 a.m. connected Thursday, northbound Chennai areas bore the brunt of the downpour with Manali New Town logging 24 cm, followed by Ennore 21 cm, Wimco Nagar 20 cm, and Kathivakkam 16 cm. Several neighbourhoods successful and astir Chennai, Tiruvallur, and different districts, specified arsenic Kallakurichi, Perambalur, and Coimbatore, besides saw spells of airy to dense rainfall.
Cyclone Ditwah and its remnant, which skimmed the Tamil Nadu coast, dumped wide rainfall implicit the delta and bluish districts and continued to trigger rainfall adjacent arsenic it drifted inland implicit astir a week. Chennai has touched its mean seasonal rainfall, signaling 70 cm against the mean of 69 cm since October 1 arsenic the strategy helped erase the deficit. However, immoderate districts, including Chengalpattu, Tiruppur, and Perambalur, proceed to stay successful a rainfall deficit.
According to the RMC, the remnant of the cyclone weakened into a low-pressure country implicit northbound Tamil Nadu connected Wednesday and further mislaid spot by Thursday morning. Various places, including Chennai, Vellore, and Ranipet, recorded airy rainfall till 6 p.m. B. Amudha, Head, (Additional in-charge), RMC, said the remnant, though a feeble system, remained persistent and kept the bluish districts nether cloudy skies with intermittent rainfall connected Thursday.
But with the crushed already saturated aft the past fewer days of aggravated rainfall, adjacent a tiny spell tin origin inconvenience. So, a yellowish alert was issued connected Thursday, she said. Tamil Nadu whitethorn get a interruption from rainfall till December 10. With a driblet successful inflow, the h2o merchandise from the Red Hills reservoir was reduced to 1,500 cusecs connected Thursday.
