Thunderstorms and bouts of heavy rain may lash parts of Kerala, Tamil Nadu and Karnataka in the next two to three days ahead of the onset of monsoon. India Met Department (IMD) predicted the onset to happen around June 6, which is ‘slightly delayed’ than the normal date of June 1.
An East-West shear zone featuring monsoon turbulence, an essential determinant of strong onset conditions, is likely to develop across extreme South Peninsula from June 5 onwards. This, the IMD said, would lead to favourable conditions for onset of the monsoon, which would be declared once a series of qualifying conditions are met with.
From June 8 to 10, the IMD has forecast widespread rainfall over parts of East India, North-East India, the South Peninsular India and the Andaman & Nicobar Islands. Isolated heavy falls has been forecast over the plains of Bengal, Odisha, South Interior Karnataka, Kerala while it would be isolated to scattered over the hills of the Himalayas.
A cyclonic circulation lies over Lakshadweep and adjoining South-East Arabian Sea, and may move westwards (into the open waters and away from the Kerala coast) without any intensification during next two days. This is normally suggests intensification into a cyclone and a movement towards the Oman/Yemen coast as has often happened in recent years. But not this year, the IMD seems to suggest.
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