Cyclone Mandous likely to hit coast around Mamallapuram by December 9, 2022 midnight, bring heavy rain


Huge waves on shore before landfall of Cyclone Mandous.

Huge waves on shore before landfall of Cyclone Mandous. | Photo: B. JOTHI RAMALINGAM

Cyclone Mandous, likely to bring heavy rains with gusty winds, may hit the north coast of Tamil Nadu around Mamallapuram on December 9 midnight with wind speed of 85 kmph.

A holiday has been declared on December 9 in Chennai, Cuddalore, Kancheepuram, Tiruvallur, Chengalpattu, Ranipet, Vellore, Villupuram, Thiruvarur, Perambalur, Kallakurichi, Mayiladuthurai, Thanjavur, Pudukottai, Ariyalallim, Napprumampuram, Tiruvallur, Dapprumampuram, Tiruvallur, Tiruvallur, Tiruvallur, Villupuram, Thiruvarur, Perambalur, Kallakurichi, Mayiladuthurai, Thanjavur and Namakkal districts under rain alert.

According to the Chennai Regional Meteorological Centre, the cyclone, which formed around 11.30 pm on December 7, is located in south-west Bengal, 350 km east-southeast of Karaikal and 440 km south-east of Chennai. It is very likely that the intensity of the Severe Cyclonic Storm will remain until the morning of December 9 and gradually become a cyclonic storm by the evening of that day. The system would continue to move west-northwest and cross the coasts of northern Tamil Nadu, Puducherry and southern Andhra Pradesh between Puducherry and Sriharikota near Mamallapuram.

The cyclone may have a major impact on the State till December 10.

Rain intensity

Rain intensity may peak on December 9 when the cyclone approaches the coast. Eight districts, including Ranipet and Kallukurichi, would receive heavy rain (up to 20 cm). Another 15 districts, including Ariyalur and Namakkal, and Delta districts may experience heavy rains on December 9.

Chennai may face heavy to very heavy rains of up to 20 cm on December 9 and 10. Very heavy rain may occur at one or two places in Kancheepuram, Puducherry, Chengalpattu and Villupuram on December 9.

A lot of very heavy rain may follow, especially in the northern part of the State, after it makes landfall on December 10. In other places, moderate intensity is expected to decrease.

On December 8, Chennai experienced a spattering of air due to the cyclone’s northerly winds, officials said. S. Balachandran, Additional Director General of Meteorology, Chennai, said that the movement and intensification of the weather system had temporarily decreased due to diurnal variations and wind patterns. But the cyclone lifted in the morning of December 8.

Several factors, including internal dynamics and external influences, determine the strength and movement of a cyclone. “We cannot compare cyclones because each of them has a unique dynamic,” added Mr. Balachandran.

The RMC has forecast stronger winds for December 9, with gusts up to 80 km/h. Storm surges up to 0.5 m high may inundate low-lying areas of the northern coastal region upon landfall.

A public holiday has been declared

In Puducherry and Karikala, December 9 and 10 have been declared a holiday for all public and private schools.

University of Madras, Tamil Nadu Dr. Dr. Ambedkar Law University, Tamil Nadu. MGR Medical University, Anna University and Bharathidasan University said the examinations scheduled for December 9 have been postponed.

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