The India Meteorological Department (IMD) extended into Wednesday evening the timeline for the well-marked low-pressure area over south Bay of Bengal to intensify as a depression, while it touched a raw nerve along the rain-weary Tamil Nadu coast by predicting the formation of a successor low-pressure area around the same region by the weekend and its intensification.

The IMD expects the depression to be declared over the South-West Bay where a preparatory well-marked ‘low’ had moved into by Wednesday evening.

The depression would move West-North-West and cross the north Tamil Nadu and adjoining south Andhra Pradesh coast between Karaikal and Sriharikota around Cuddalore, a familiar landfall point, by Thursday evening.

North TN coast blasted

But even before the depression could form, the charged-up easterlies to north-easterlies have been blasting away at the weather-beaten coast generating humongous amount of rainfall, which has rendered the coast vulnerable. In a rainfall warning valid for Thursday, the IMD said light to moderate rainfall is likely at most places with heavy to very heavy rainfall at a few places extremely heavy falls at isolated places over north coastal Tamil Nadu, north interior Tamil Nadu, south coastal Andhra Pradesh and Rayalaseema. Heavy to very heavy rainfall is likely over south interior Karnataka.

Squally winds with speed reaching 45-55 km/hr gusting to 65 km/hr may prevail over South-West and adjoining West-Central Bay, the Gulf of Mannar and along and off Tamil Nadu, Puducherry and South Andhra Pradesh coasts on Thursday as well.

Warning to fishermen to avoid venturing out into these areas have been extended likewise into the day.

 

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