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Widespread rainfall and snowfall has occurred over Jammu and Kashmir while it was fairly widespread in Himachal Pradesh and isolated in Uttarakhand during the 24 hours ending Sunday morning.
An India Meteorological Department (IMD) update said that the weather-maker disturbance would affect the western Himalayan region until Monday. It has also mounted a watch for a follow-up system later this week.
INDUCED CIRCULATION
The prevailing system has thrown up an induced upper air cyclonic circulation over southeast Rajasthan, the update said, which adds to system potency.
The westerly system is a remnant of an eastward-bound upper level trough that has been soaking Saudi Arabia and its neighbourhood over the last week.
Incremental moisture scooped up from the Red Sea may have aided the incremental build-up of clouds and resultant rains, international models suggested.
Back home, isolated rainfall has already been reported from Punjab, Haryana, Delhi, Uttar Pradesh, Bihar, east Madhya Pradesh, Jharkhand, sub-Himalayan West Bengal and Arunachal Pradesh.
MORE RAINS
An outlook for Monday and Tuesday suggested that fairly widespread rain or snow would occur over the western Himalayan region.
Isolated rain or thundershowers has been forecast over the Indo-Gangetic plains and adjoining central India until Monday.
It would be fairly widespread over Andaman and Nicobar Islands and isolated over the Northeastern States and extreme south peninsular India.
Widespread overnight rainfall has been reported also from Konkan and Tamil Nadu in the South. Fairly widespread rain is likely continue over the Northeastern States and south peninsular India.
CONVECTIVE CLOUDS
Satellite pictures convective clouds over parts of east Jammu and Kashmir and south Bay of Bengal.
Extended outlook until February 4 suggested a rise in minimum temperatures over north-west and adjoining central India ahead of the arrival of the follow-up western disturbance.
Scattered rainfall would occur over Tamil Nadu and Kerala during this period, the IMD outlook said, as activity begins to build over the Bay of Bengal waters.
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