Western and southern parts of flood-ravaged Jammu and Kashmir could witness rain or thundershowers during the next week or even longer, though not strictly monsoon-related.

Impromptu rain For instance, there were two cyclonic circulations doing the rounds over Punjab and Haryana-west Uttar Pradesh which are capable of setting of impromptu rain from residual moisture available in the air.

Only exception This was the only exception to an otherwise pattern of what looks like the withdrawal of the monsoon from the rest of north-west and western parts.

But towards the south and east, the Bay of Bengal has tossed up the latest in the series of low-pressure areas under a gentle but unmistakable nudge from the South China Sea to its east.

It may be recalled that an upper-level atmospheric wave that oversaw the vigorous monsoon over the Arabian Sea and the Bay of Bengal had transited last week to the South China Sea/West Pacific.

What it managed to come up with from the West Pacific was a ‘low’-turned-depression-turned typhoon Kalmaegi that has hit Hong Kong already and is heading towards the southwest coast of China.

The west-southwest track of Kalmaegi sent in a pulse into the Bay of Bengal that ultimately concentrated into a low-pressure area on Tuesday.

‘Low’ in bay The run-up to the initiation of the ‘low’ saw the East Coast from Odisha to Tamil Nadu being lashed by thundershowers over the past 24 hours.

According to the US National Centres for Environmental Prediction, the eastern coast and adjoining peninsular India may witness thundershowers over the next three to four days.

Hit-or-miss thunderstorms are also expected to line up to the rest of adjoining central India right up to west Madhya Pradesh, interior Maharashtra and Karnataka.

But the south Andhra Pradesh coast and adjoining north Tamil Nadu coast (including Chennai) might witness enhanced activity over the next couple of days.

Parts of the North-eastern States may also see scaling up of rainfall as Typhoon Kalmaegi makes a landfall over southwest China, not far from the rugged terrain from the international border.

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