Cyclone Mandous likely to form over Bay of Bengal, hit Andhra, Tamil Nadu: IMD

Updated on Dec 06, 2022 06:25 AM IST

Rains will start over north coastal Tamil Nadu, Puducherry and Karaikal from December 7 midnight and will likely increase on December 8 and 9, the weather bureau said.

There is likely to be rainfall at most places over Andaman & Nicobar Islands on Monday and Tuesday due to cyclone Mandous. (HT file photo)
There is likely to be rainfall at most places over Andaman & Nicobar Islands on Monday and Tuesday due to cyclone Mandous. (HT file photo)
By, New Delhi

The second cyclone of the post monsoon season is likely to form over southwest Bay of Bengal and hit the east coast in Tamil Nadu, Puducherry and Andhra Pradesh on Thursday, the India Meteorological Department predicted on Monday.

A low pressure area has formed over south Andaman Sea. It is likely to move west-northwestwards and become a depression over southeast Bay of Bengal by December 6 evening. It is likely to continue to move west-northwestwards, intensify further into Cyclonic storm Mandous, and reach southwest Bay of Bengal near north Tamil Nadu, Puducherry and adjoining south Andhra Pradesh by December 8 morning.

“We haven’t given a forecast for landfall yet. The models will provide a clearer picture tomorrow,” said RK Jenamani, senior scientist at the weather office.

There is likely to be rainfall at most places over Andaman & Nicobar Islands on Monday and Tuesday. Squally weather with wind speed reaching 40-45 kmph gusting to 55 kmph is also likely.

“A cyclone is likely to form, but it may weaken before reaching the coast,” said Mahesh Palawat, vice president, climate change and meteorology at Skymet Weather Services, a private forecaster. “But coastal areas of Tamil Nadu and south coastal Andhra Pradesh will get heavy showers on December 7 and 8. It’s a fast-moving weather system.”

Rains will start over north coastal Tamil Nadu, Puducherry and Karaikal from December 7 midnight and will likely increase on December 8 and 9, the weather bureau said.

South Andhra Pradesh will see rains from December 7 midnight, which will increase on December 8 and 9. Wind speeds could reach 55-65 kmph gusting to 75 kmph on December 7, and gale wind speed reaching 70-80 kmph gusting to 90 kmph is likely on December 8.

Squally winds reaching 40-50 kmph gusting to 60 kmph is likely along and off Tamil Nadu, Puducherry, south Andhra Pradesh and north Sri Lanka coasts from December 8, increasing to 60-70 kmph gusting to 80 kmph from December 8 evening to December 9 morning.

It is likely to reduce to 45-55 kmph gusting to 65 kmph by December 9 evening.

Seas are expected to be very rough in large swathes of Bay of Bengal between December 6 and 8. Sea conditions are likely to be rough along and off South Andhra Pradesh, Tamil Nadu, Puducherry and Sri Lanka coasts on December 7 and 9 and high on December 8.

Fishermen are advised not to venture into Andaman Sea on December 5 and 6; southeast Bay of Bengal from December 5 to 7; southwest Bay of Bengal from December 6 to 9; along and off Sri Lanka coast from December 6 to 9; along and off Tamil Nadu, Puducherry and South Andhra Pradesh coast and Gulf of Mannar from December 7 to 9.

A feeble western disturbance is likely to affect Western Himalayan region from December 7. Under its influence, isolated light to moderate rainfall likely over Jammu and Kashmir, Ladakh and Himachal Pradesh on December 8. Minimum temperature is likely to fall by 2-3 degrees Celsius over Maharashtra in the next three days and rise by 2-3 degrees thereafter.

No significant change in minimum temperatures is likely over northern parts of the country in the next 4-5 days. Dense fog likely in isolated pockets over Himachal Pradesh in the morning and over Punjab and Haryana in the next 24 hours.

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