High waves on the seashore forward of the landfall of cyclone Mandous.
| Photo Credit: B. JOTHI RAMALINGAM

Cyclone Mandous, which is prone to convey heavy rain with robust winds, might hit the north Tamil Nadu coast round Mamallapuram on midnight of December 9, with a wind pace gusting as much as 85 kmph.

A vacation has been declared on December 9 for faculties and schools in Chennai, Cuddalore, Kancheepuram, Tiruvallur, Chengalpattu, Ranipet, Vellore, Villupuram, Thiruvarur, Perambalur, Kallakurichi,  Mayiladuthurai, Thanjavur, Pudukottai, Ariyalur, Dharmapuri, Nagappattinam Tiruchirappalli, Salem and Namakkal districts in view of the heavy rain alert.

According to Regional Meteorological Centre, Chennai, the cyclone that fashioned round 11.30 p.m. on December 7 is mendacity over southwest Bay of Bengal, about 350 km east-southeast of Karaikal and about 440 km southeast of Chennai. It may be very prone to preserve its depth of Severe Cyclonic Storm until early morning of December 9 and weaken steadily right into a cyclonic storm by forenoon that day. The system would then proceed to maneuver west-northwestwards and cross north Tamil Nadu, Puducherry and adjoining south Andhra Pradesh coasts between Puducherry and Sriharikota, round Mamallapuram.

The cyclone might have a widespread affect over the State until December 10.

Rain Intensity

Rain depth might peak on December 9 when the cyclone will get nearer to the coast. Eight districts, together with Ranipet and Kallukurichi, would obtain an intense rain (as much as 20 cm). Isolated heavy rain might happen in 15 different districts, together with Ariyalur and Namakkal, and in Delta districts on December 9.

Chennai might must brace for heavy to very heavy rain of as much as 20 cm on December 9 and 10. Rain could also be extraordinarily heavy in a single or two locations over Kancheepuram, Puducherry, Chengalpattu and Villupuram on December 9.

Heavy to very heavy rain might proceed, significantly over the northern elements of the State, after landfall on December 10. In different locations, it’s anticipated to cut back to reasonable depth.

On December 8, Chennai skilled nip within the air because the cyclone influenced northerly winds, mentioned officers. S. Balachandran, Additional Director General of Meteorology, Chennai, mentioned there was a brief lower within the climate system’s motion and intensification as a result of diurnal variations throughout the day and windshear. But the cyclone picked up by early morning on December 8.

Several components, together with inner dynamics and exterior influences, decide the energy and motion of a cyclone. “We cannot compare cyclones as each of them have unique dynamics,” Mr. Balachandran added.

The RMC has predicted stronger winds on December 9, gusting as much as 80 kmph. Storm surge of about 0.5 m peak might inundate low-lying areas within the north coastal area throughout landfall.

Holiday declared

In Puducherry and Kariakal, a vacation has been declared for all authorities and personal faculties on December 9 and 10.

The University of Madras, the Tamil Nadu Dr. Ambedkar Law University, the Tamil Nadu Dr. M.G.R. Medical University, the Anna University and the Bharathidasan University mentioned that exams scheduled to be held on December 9 have been postponed.