New Delhi: Delhi wrestles with cold waves on Tuesday as the minimum temperature in Safdarjung Observatory, considers an official marker for the capital city, settled at four degrees Celsius, four notches below normal.
On Monday, the national capital has recorded a low of 3.2 degrees Celsius, five notches below normal and lowest so far this season.
Although there is a marginal increase in a minimum temperature, it is still on the bottom, because the weather remains cold in the morning.
The relative humidity was recorded at 94 percent, according to the Indian Meteorological Department.
On the plain, the IMD states cold waves if the minimum temperature of the dip is 4 degrees Celsius.
Cold waves are also stated when the minimum temperature is 10 degrees Celsius or below and 4.5 notches below it.
The weather office has expected shallow fogs that day and the maximum temperature tends to float around 21 degrees Celsius.
Two western disorders back-to-back and produced slowing down the northwest wind from Tuesday night will push the minimum temperature upwards, R K Jenamani, a senior scientist at the IMD, said on Monday.
Cold wave conditions were observed on Tuesday in several places above Haryana, Madhya Pradesh, Jharkhand, Odisha, and in an isolated bag above Punjab, Delhi, Uttar Pradesh, Rajasthan, Chhattisgarh, Bihar, West Bengal Gangetic, Saurashtra and Kutch, Vidarbha and Kutch, Vidarbha and Kutch, Vidarbha and Kutch, Vidarbha and Kutch Telangana, said official.
Delhi air quality index in the morning is 380, which falls in a very bad category, according to CPCB data.