Cold wave prevails in North India, IMD issues red alert for fog | Updates

The IMD issues a red signal for fog when a cold wave is present in North India.

Tuesday saw continued extreme cold wave conditions and thick fog in North India.

Notably, when the minimum temperature falls to 4 degrees Celsius or lower, the IMD proclaims a "cold wave."

Tuesday saw a continuation of the severe cold wave conditions and a thick fog in North India, with the India Meteorological Department (IMD) issuing red and yellow alerts in numerous regions of the nation. A "cold day to severe cold day" situation is anticipated in a number of locations in Uttar Pradesh, Punjab, Haryana, Chandigarh, and Uttarakhand, according to the weather service. According to the IMD, isolated areas over Punjab, Haryana, Chandigarh, Uttar Pradesh, and Rajasthan "are expected to experience a cold wave."

Notably, when the minimum temperature falls below 4 degrees Celsius or lower and/or is 4.5 notches below normal, the IMD proclaims a "cold wave." A "cold day" is defined as a day with a minimum temperature of 10 degrees Celsius or less and/or a range of 4.5 to 6.4 degrees below seasonal average for two days in a row.

Here are the most recent changes:

1. The IMD issued cold to severe cold day warnings on Tuesday for a number of locations in Uttar Pradesh, Punjab, Haryana, Chandigarh, and isolated sites over Uttarakhand. Isolated locations across Punjab, Haryana, Chandigarh, Uttar Pradesh, and Rajasthan also received cold wave warnings.
2. Additionally, the meteorological service projected "dense to extremely dense fog" in a number of locations, including Punjab, Haryana, Chandigarh, Uttarakhand, Uttar Pradesh, Jammu and Kashmir, Ladakh, Gilgit-Baltistan, Muzaffarabad (PoK), Himachal Pradesh, and West Rajasthan. In the meantime, Delhi, Uttar Pradesh, Punjab, Haryana, and Bihar have received a red alert for fog. Tuesday at 8:30 a.m., visibility was less than 100 metres in Jammu, Pantnagar in Uttarakhand, Patiala, Amritsar, and Ludhiana in Punjab, Bhiwani and Karnal in Haryana, Palam in Delhi, Ganganagar in Rajasthan, Bareilly, Bahraich, Lucknow, Gorakhpur, Prayagraj, and Gaya in Bihar.
3. On Tuesday morning, Safdarjung in Delhi recorded a minimum temperature of 3.8 degrees Celsius. IMD predicts that the minimum temperature will be 4 degrees Celsius and the maximum temperature will be 19 degrees Celsius.
4. According to news agency ANI, several flights, including those from Delhi to Kathmandu, Delhi to Jaipur, Delhi to Shimla, Delhi to Dehradun, and Delhi to Chandigarh-Kullu, have been delayed owing to fog and cold in the nation's capital.
5. The Northern Railway zone is experiencing 36 late trains as a result of the fog.
6. The IMD stated on Saturday that "minimum temperatures are highly likely to climb by 2-4 degrees Celsius over Northwest India within 24 hours due to the approaching new Western Disturbance from January 10 night."