The Regional Meteorological Center (RMC), Chennai has issued a red alert for Tiruvallur, Kancheepuram and Ranipet districts tomorrow, where red stands for very heavy to very heavy rainfall (above 20 cm). After this, schools and colleges in Chennai, Tiruvallur, Kancheepuram, Chengalpattu, Ranipet and Vellore districts have been declared a holiday on Friday.
Orange alert, meaning heavy to very heavy rainfall (12 cm to 20 cm), for the districts of Chennai, Chengalpattu, Villupuram, Vellore, Tirupattur, Tiruvannamalai, Kallakurichi, Cuddalore, Ariyalur, Perambalur, Tiruchi, Thanjavur, Tiruvarur, Mayiladuthurai and has been issued. Nagapattinam district, Puducherry and Karaikal.
Additional Director General (Meteorology) S. According to Balachandran, the low pressure area (LPA) over southwest Bay of Bengal off Sri Lanka coast is likely to become more marked by Friday. It is very likely to move northwestwards towards Tamil Nadu and Puducherry coasts by Saturday morning. It is very likely to move west-northwestwards and cover Tamil Nadu, Puducherry and Kerala during Saturday and Sunday.
Light to moderate rain with isolated thunderstorms and lightning are expected at most places in Tamil Nadu, Puducherry and Karaikal on Friday and Saturday. There is a possibility of heavy rain at isolated places over the delta and western districts during both these days. A red alert has been issued for Nilgiris, Dindigul and Theni districts on Saturday.
The department has forecast light to moderate rain at most places with the possibility of thunder and lightning in Tamil Nadu, Puducherry and Karaikal on Sunday. Heavy to very heavy rainfall is very likely at isolated places over Nilgiris, Theni, Dindigul, Madurai, Tirupattur, Vellore, Ranipet, Tiruvallur and Kancheepuram districts. Heavy rain very likely at isolated places over Coimbatore, Tiruppur, Erode, Krishnagiri, Chennai, Chengalpattu, Tiruvannamalai, Villupuram, Cuddalore, Mayiladuthurai, Nagapattinam, Thiruvarur, Sivaganga, Ramanathapuram, Virudhunagar, Thoothukudi, Tenkasi, Kanyakumari districts of Tamil Nadu . Nadu, Karaikal and Puducherry.
Area Cyclone Warning Center Director P. Senthamarai Kannan said that all the cyclonic systems were LPA and were classified on the basis of wind speed. This LPA will not have wind-caused devastation but will cause flooding depending on the amount of rain. Since there is no cyclone-like center or eye, there will be no landfall but the clouds will cross and move west and then move into the Arabian Sea.
Weather blogger Pradeep John reported that an LPA was spread over hundreds of kilometers, causing widespread rainfall. “Light to moderate rain is forecast and almost the entire state is receiving rain in three days. Depending on how the clouds move, there will be a break in the middle of the rainy season. This evening’s rain in the city was heavy and in no time.
Rainfall figures for some stations on Thursday from 8.30 am to 8.30 am are: Nungambakkam 17.2 mm, Meenambakkam 13 mm, Tirupattur 7 mm, Vellore 2 mm, Good Will School in Tiruvallur Villivakkam 21.5 mm, AC Medical College 19.5 mm, Taramani 16 mm, Chembarambakkam registered 12 mm, and Sathyabama University 8 mm.