Another biting cold day in north India; dense fog clouds several states

Dense fog cloaked most of the northern states on Tuesday morning, affecting visibility and vehicular movement. According to the India Meteorological Department (IMD), dense to very dense fog was observed over parts of Punjab, northwest Rajasthan, Jammu division, Haryana, Chandigarh, Delhi, Uttar Pradesh, Bihar and Tripura. (Express photo by Praveen Khanna)

Due to fog conditions, visibility was affected in most cities with Bhatinda and Agra recording visibility of 0 metres at 5.30 am. (Express photo by Praveen Khanna)

Jammu division, Ganganagar, Chandigarh, Ambala, Patiala, Bareilly, Lucknow, Sultanpur, Gorakhpur and Bhagalpur recorded 25 metres of visibility, while Hissar, Baharaich, Gaya, Purnea and Kailashahar recorded 50 metres. Owing to the bad weather, 39 trains were delayed by an hour to five-and-a-half hours, a northern Railways spokesperson told news agency PTI. (Express photo by Praveen Khanna)

Delhi’s Palam observatory recorded a visibility of 0 metres at 4.30 am and was later increased to 50 metres at 5.30 am. Around 40 flights, meanwhile, were delayed at the Delhi airport, news agency ANI reported. (Express photo by Praveen Khanna)

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’. Here is a picture of a group of women working on their farm land in Ludhiana. (Express photo by Gurmeet Singh)

IMD on Tuesday said foggy conditions will continue in Chandigarh for the next few days. Due to the dry weather, Punjab is witnessing foggy conditions, while severe cold day conditions are prevailing in many areas of Punjab and Haryana. (Express photo by Gurmeet Singh)

Schools in Punjab reopened Monday after the winter break. Students of Class VIII to XII walk and cycle to school on a foggy morning in Ludhiana. (Express photos by Gurmeet singh)

The roads in Punjab were seen covered in sheets of mist. Bathinda in Punjab recorded a minimum temperature of 2.4 degree Celsius while Bhiwani in Haryana recorded a minimum temperature of 3.8 degrees Celsius. (Express Photo by Gurmeet Singh)

As per IMD data, less than 100 m visibility was recorded at 8.30 am in Punjab's Patiala, Amritsar and Ludhiana, Haryana's Bhiwani and Karnal, Delhi's Palam, UP's Bareilly, Bahraich, Lucknow, Gorakhpur, Prayagraj and Bihar's Gaya, Bhagalpur and Purnea. (Express photo by Gurmeet Singh)