IMD predicts rain till October 21 owing to low pressure systems and a western disturbance

NEW DELHI: The India Meteorological Department said in its latest weather updates on Saturday that a western disturbance and the formation of two lower pressure systems — one over the Arabian Sea and the other over the Bay of Bengal — will continue to cause rainfall in various parts of the country until October 21.

There were two low pressure systems, one over the Bay of Bengal and another over Arabian Sea. There was some kind of interaction between these two low pressure systems,” while alluding to the causes of the present rainy spell, IMD director general remarked.

In Kerala, these interactions, combined with strong winds, have resulted in torrential rain in the last 48 hours. These systems, primarily easterlies, are now likely to induce the onset of the northeast (winter) across the south Peninsula about October 26.

According to the IMD’s updates, a western disturbance over Afghanistan and its environs was interacting with easterlies from the Bay of Bengal at lower altitudes. It is expected to last for the next two or three days, with widespread ‘light to moderate rainfall’ and isolated heavy to very heavy rains expected across northwest India, including Delhi-NCR, until Tuesday.

“A fresh spell of easterly wave is likely to affect south Peninsular India from October 20 and cause fairly widespread rainfall with isolated heavy falls likely over Kerala and Mahe, south interior Karnataka and Tamil Nadu, Puducherry and Karaikal,” according to the IMD, the scenario could last for another three to four days.

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