A Western Disturbance is more likely to trigger widespread and heavy snowfall within the Western Himalayan area immediately.
Under its affect, rain and snow could be very probably over Jammu and Kashmir, Ladakh, Gilgit-Baltistan, Muzaffarabad, Himachal Pradesh throughout December 7 to 9. Heavy rain and snow additionally very probably over Jammu and Kashmir, Ladakh, Gilgit-Baltistan, Muzaffarabad on Tuesday.
But temperatures within the northern plains won’t fall instantly. “We are not expecting a fall in temperatures immediately because there are consecutive Western Disturbances which are affecting the Western Himalayas. With a Western Disturbance, there is usually clouding and temperatures are marginally above normal. Just behind tomorrow’s Western Disturbance, there is another Western Disturbance approaching on December 11 so it’s unlikely that temperatures will fall significantly now. A significant drop in temperatures is expected only once the Western Disturbances pass and there is no other Western Disturbance approaching,” stated Ok Sathi Devi, head, national weather forecasting centre.
Air high quality hovered within the very poor to extreme vary in most elements of northwest India on Tuesday. While Delhi recorded an air high quality index (AQI) of 394 in very poor class, Ghaziabad, Greater Noida, Kanpur, Noida, Bulandshahr recorded extreme air.
There is gentle to reasonable fog in most elements of northwest India on Tuesday morning.
A Western Disturbance was impacting the Western Himalayan area on Monday and introduced rain and snow to the upper reaches. There was additionally an intense cyclonic circulation over Haryana and neighbourhood and winds had been considerably easterly which suggests they’re moisture laden winds. The mixture of moisture availability, convergence of winds, comparatively low temperature in some locations has led to dense fog growing on Monday,” stated Sathi Devi.
Moderate to very dense fog had disrupted site visitors and flights on Monday over many elements of Delhi, west Uttar Pradesh, Haryana, West Rajasthan, east Uttar Pradesh, Bihar, Assam, Meghalaya, Nagaland, Manipur, Tripura, sub-Himalayan West Bengal and Sikkim.
A cyclonic circulation is mendacity over Gulf of Mannar and one other cyclonic circulation lies over southeast Arabian Sea and adjoining Maldives. Under the affect of those programs, widespread and heavy rain with thunderstorm and lightning could be very probably over Tamil Nadu, Puducherry, Karaikal, Kerala, Mahe and Lakshadweep on Tuesday.