Northeast monsoon delayed, to hit TN today

Conditions favourable for rains over Kerala around Tuesday

The much awaited northeast monsoon delayed this year by Cyclone Phailin, which contributes 60 per cent of annual rainfall in Tamil Nadu, is expected to hit on Monday evening.

Phailin delayed monsoon by a couple of days as opposed to last year when it arrived a day early on October 19.

"Conditions are becoming favourable for commencement of the northeast monsoon rains over Tamil Nadu, Kerala and adjoining areas of Andhra Pradesh and  Karnataka during the next 24 hours" sources from the Met department said on Sunday. Accordingly, the south west monsoon, which was active from June to October, may withdraw from the region.

"We may receive more rainfall this year in coastal areas including Chennai for the next few days,” a Met official said. Southern regions like Salem, Trichy and Madurai will also receive heavy rainfall in the next few days.

Fishermen were warned not to venture into sea in the next 48 hours as strong offshore winds from northwesterly to westerly reaching 45-55 kmph will be along off the south of Tamil Nadu coast.

Northeast monsoon season is the major period of rainfall activity over the southern peninsula, particularly in the eastern half comprising of coastal Andhra Pradesh, Rayalaseema and Tamil Nadu-Pondicherry.

For Tamil Nadu, this is the main rainy season accounting for about 48% of the annual rainfall. Coastal districts of the State get nearly 60% of the annual rainfall and the interior districts get about 40-50% of the annual rainfall.

Rain pounds Kerala

 Rain lashed many parts of Kerala for the second successive day on Sunday, two days ahead of the expected onset of the north-east monsoon.

A Met Department release said conditions were “favourable” for commencement of the north-east monsoon over Kerala around Tuesday.

The receding south-west monsoon remained active on Sunday with eight stations in Kerala recording heavy rainfall. Thalassery in Kannur district with 15 cm and Thiruvananthapuram city and Kanjirappally in Kottayam with 14 cm each recorded the biggest rainfall of the day. Malappuram, Pathanamthitta and Kollam are among districts that also recorded good rain through the day.

The Meteorological Centre in Thiruvananthapuram has predicted heavy rainfall at isolated places in Kerala till Tuesday. The north-east monsoon contributes only about 20 per cent of the state’s annual rainfall. Last year, between October 1 and December 31, the north-east monsoon triggered 308.5 mm rain in the state, about 36 per cent less than normal rainfall.

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