Delhi colder than most places in Himachal, Uttarakhand; ‘orange’ alert for Sunday

In the plains, the Met office declares a cold wave if the minimum temperature dips to 4 degrees Celsius or when it is 10 degrees Celsius and 4.5 notches below normal

Min temp 8.9 degrees Celsius in Delhi, AQI improves to 'moderate'

Delhi saw an intense cold wave spell from January 5 to January 9, the second longest in the month in a decade, according to IMD data.

An intense cold wave crippled north India, including Delhi, on Saturday with the minimum temperature in parts of the capital plunging to a bone-chilling 1.5 degrees Celsius.

The Safdarjung observatory, Delhi’s primary weather station, logged a minimum temperature of 2.2 degrees Celsius — lower than that of most places in Himachal Pradesh and Uttarakhand and some hill stations in Jammu and Kashmir.

A severe cold wave brought the minimum temperature down to a numbing 1.5 degrees Celsius at the Ridge weather station in central Delhi. Only a few places in Rajasthan, including Vanasthali (1.7 degrees Celsius), Sikar (1 degree Celsius), Pilani (0.6 degree Celsius) and Churu (0 degree Celsius), recorded a lower minimum temperature.

The weather stations at Lodhi Road and Ayanagar saw the mercury dipping to 2 degrees Celsius and 3.4 degrees Celsius respectively.

A dense layer of fog persisted over northwest India and the adjoining central and eastern parts of the country, affecting road, rail and air traffic movement.

Very dense fog lowered visibility to 25 metres at the Palam observatory, near the Indira Gandhi International (IGI) airport, early in the morning.

A Northern Railway spokesperson said 36 trains were delayed by one hour to seven hours due to the foggy conditions.

According to the weather office, “very dense” fog is when visibility is between 0 and 50 metres, between 51 and 200 metres is “dense”, between 201 and 500 metres “moderate”, and between 501 and 1,000 metres “shallow”.

With its base station recording a minimum temperature of 2.2 degrees Celsius, Delhi was colder than Chamba (5.8 degrees), Dalhousie (8.3 degrees), Dharamshala (9.2 degrees), Shimla (7.8 degrees), Hamirpur (3.9 degrees), Manali (4 degrees), Kangra (5.6 degrees), Solan (3 degrees), Dehradun (6 degrees), Mussoorie (8.1 degrees) and Nainital (5.8 degrees), according to the India Meteorological Department (IMD).

Several places in the capital recorded the maximum temperature at least seven notches below normal, making it a severe cold day.

The cold snap is straining power grids and posing challenges to the homeless and animals. Delhi’s peak winter power demand rose to a record 5,526 MW on Friday.

The IMD warned of an impact on agriculture, livestock, water supply, transport and the power sector at some places.

The weatherman also said frostbite can occur due to a prolonged exposure to cold and that one should not ignore shivering — the first sign that the body is losing heat — and should stay indoors.

“Eat vitamin C-rich fruits and vegetables and drink sufficient warm fluids to maintain adequate immunity. Avoid or limit outdoor activities,” it said in an advisory.

The Met office has issued an “orange” alert for certain parts of north India, including Delhi, for Sunday, warning that dense fog, cold day and cold wave conditions will persist.

“Cold wave to severe cold wave conditions are very likely to continue over some areas in Rajasthan and Haryana, Chandigarh and Delhi on December 8 (Sunday),” it said.

However, slight relief is likely after a couple of days under the influence of back-to-back western disturbances, the IMD said.

In the plains, the Met office declares a cold wave if the minimum temperature dips to 4 degrees Celsius or when it is 10 degrees Celsius and 4.5 notches below normal.

A severe cold wave is when the minimum temperature dips to 2 degrees Celsius or the departure from the normal limits is by more than 6.4 notches.

A cold day is when the minimum temperature is less than or equal to 10 degrees Celsius and the maximum temperature is at least 4.5 notches below normal.

A severe cold day is when the maximum temperature is at least 6.5 notches below normal.

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