The months of December and January are the peak winter seasons for North India. Most of the northern regions of the country get enveloped under moderate to a dense layer of fog. This season, the month of December though passed with a not much foggy layer, however, the month of January began on a foggy note.
The thick layer of fog has continued to grip parts of North India and people residing in most parts of Punjab, Haryana, Delhi and NCR, East Uttar Pradesh, Bihar and Northeast India are waking up to foggy mornings for the last couple of days.
Today also, Dense to very dense fog was seen at isolated places in Punjab, Haryana, Delhi and Uttar Pradesh. While, dense fog was seen in parts of Bihar, Assam, and Meghalaya.
The extent of the thick layer of fog in North India can be made from the fact that Amritsar and Ludhiana in Punjab recorded nil visibility during the early morning hours today. Ambala, Patiala, New Delhi, Purnea, Bhagalpur, Gaya, Patna, and Agra recorded the visibility dropping below 50 meters.
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On the other hand, the visibility levels were somewhat improved in parts of Chandigarh, Meerut, Shahjahanpur, Varanasi, and Fursatganj with the visibility levels dropping to 200 meters. In fact, Delhi’s Palam Observatory recorded nil visibility during the late-night hours yesterday which improved during the early morning hours.
The reason for these foggy conditions can be attributed to the feeble Western Disturbance that is lying over Jammu and Kashmir. Additionally, high humidity levels, low wind speed, and low temperatures also trigger the formation of the thick layer of fog.
As per Skymet Weather, the wind reversal takes place very often in the Indo-Gangetic plains lying along the foothills of the Himalayas which is why these regions are more conducive to witness such intense foggy weather.
Whereas, the topography of Northeast India is a culmination of hills, water bodies, valleys and forests that causes the thick layer of fog to form over the region. As of now, dense fog layer is anticipated to endure for another 48 hours thereafter, a brief respite can be expected.
Image Credit: wikipedia.com
Any information taken from here should be credited to skymetweather.com
