Friday, October 5, 2018

Wet spell for the next 5 days

CHENNAI, OCTOBER 05, 2018 00:00 IST


Two weather systems to leave impact; Western Ghats districts to get heavy rain

Wet weather is on the cards for the next five days, with two weather systems prevailing over the Bay of Bengal and the Arabian Sea.

An upper air cyclonic circulation over southwest Bay of Bengal and adjoining Sri Lanka is expected to bring moderate rainfall to most parts of Tamil Nadu and Puducherry till October 7. Chennai is likely to experience intermittent spells of light to moderate rain till Sunday.

Another weather disturbance is likely to develop into a low pressure area over southeast Arabian Sea on Friday and eventually intensify into a cyclone by October 7 and move towards the Oman coast.

‘Red’ alert issued

The India Meteorological Department has issued a ‘red’ alert. Clarifying on the colour-coded warning, S. Balachandran, Deputy Director General of Meteorology, Chennai, said heavy to very heavy rainfall is expected in the Western Ghats and south Tamil Nadu. There are chances of extremely heavy rainfall (above 24.4 cm) in one or two places in southern parts of the State and the Western Ghats region.

It is not an alert for the entire State but a warning intended to get the government to take necessary action, he added.

While the southwest monsoon is still retreating, Wednesday’s rainfall came as precursor to the northeast monsoon that is likely to set in later this month. Most weather stations across the State received moderate rain on Thursday with Kattumannarkoil in Cuddalore district and Pullambadi in Tiruchi district recording the highest of 11 cm in the 24 hours ending at 8.30 a.m. on Thursday. Chennai received nearly 3 cm of rainfall.

On the rumours in social media about two cyclones forming simultaneously and heavy rain in Chennai, Mr. Balachandran said that as of now there was only a possibility of the weather system in the southeast Arabian Sea intensifying into a cyclone. Weather bloggers have also pointed to the possibility of another low pressure area over the southwest Bay of Bengal around October 8.

It is not an alert for the entire State but a warning intended to get the government to take action

S. Balachandran

Deputy Director General of Meteorology, Chennai

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