Mandous to Remain a Severe Cyclonic Storm Until Midday; Landfall Likely Post Midnight

The IMD has warned of a storm surge of about 0.6 metres height above the astronomical tide during Cyclone Mandous’ landfall over the southeastern coast. This could possibly inundate the low-lying areas of north coastal Tamil Nadu and Puducherry.

T​he Chengalpattu taluk in TN’s Kancheepuram district is especially vulnerable, as it may witness a strong surge of up to 0.2-0.6 metres and inundation stretching across 0.13 km.

L​atest IMD predictions indicate that Cyclone Mandous will make landfall over north Tamil Nadu, Puducherry and adjoining south Andhra Pradesh coasts, between Puducherry and Sriharikota, around Mahabalipuram.

The time frame ranges from midnight to the early hours of Saturday, possibly between 11:30 pm tonight and 2:30 am tomorrow.

M​andous will cross the coast as a Cyclonic Storm, packing a maximum sustained wind speed of 65-75 kmph and gusting to 85 kmph.

Under the influence of cyclonic storm, Chennai, Kancheepuram, Tiruvallur and Chengalpattu are likely to get heavy to very heavy rain for the next few hours. Also, north interior districts are expected to get heavy rain today.

The centre predicted moderate rain for many places in the State such as Villupuram, Cuddalore, Mayiladuthurai, Nagapattinam, Tiruvarur, Thanjavur, Pudukkottai, Ramanathapuram, Thoothukudi, Thirunelveli and Kanniyakumari districts.

Light to moderate rain is likely to occur at a few places over Ranipet, Vellore, Tirupattur, Krishnagiri, Dharmapuri, Tiruvannamalai, Kallakkurichi, Ariyalur, Perambalur, Tiruchy, Karur, Erode, Salem, Namakkal, Tirupur, Coimbatore, the Nilgiris, Dindigul, Theni, Madurai, Sivagangai, Virudhunagar and Tenkasi districts of Tamil Nadu.

According to RMC rainfall data (from 8.30 am on Dec 8 to 5.30 am on Dec 9), Nungambakkam received 52 mm rainfall, Meenambakkam 50 mm, Ennore 30 mm, Madhavaram 58 mm, Nagapattinam 22 mm, and Karaikal 18 mm.

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