According to the IMD, when the minimum temperature is less than or equal to 10 °C and the maximum temperature is at least 4.5 °C below normal, it is called a ‘cold day’.
According to the India Meteorological Department, Delhi witnessed its first ‘cold day’ of the season on Saturday as chilly north-westerly winds lashed the city and the mercury dipped to six degrees Celsius, the lowest minimum temperature of the season. The maximum temperature was 5 degrees below normal at 17.8 degrees Celsius and also the lowest temperature of this season.
According to the IMD, when the minimum temperature is less than or equal to 10 °C and the maximum temperature is at least 4.5 °C below normal, it is called a ‘cold day’.
Cold wave-like conditions prevailed in the city on Saturday with cold north-westerly winds, leaving Delhi shivering in bad weather.
“Delhi city SDF recorded a maximum temperature of 17.8 degrees Celsius today, the first cold day of this season as the minimum temperature is already 6 degrees Celsius, fulfilling all the cold day conditions,” the IMD said. The minimum temperature in the national capital was recorded at 7.7 degrees Celsius on Friday.
On Saturday, the temperature dropped to 6 degrees Celsius, two notches below normal, making the weather chilly. Officials said fog reduced visibility in the morning.
A senior official said, “Delhi-NCR today witnessed very strong, dry north-westerly cold winds, gusting to 10-20 kmph gusting to 25 kmph in the first fortnight of the day.” Which went up to 40 kmph in the afternoon.” said.
The meteorologist has forecast that the minimum temperature will further drop to 5 degrees Celsius on Sunday, while the maximum is expected to remain at 18 degrees Celsius, thus making it another ‘cold day’.
The relative humidity was recorded at 94 per cent in the morning and 50 per cent by evening. The IGI airport witnessed light to moderate fog during 2-8:30 am today and the lowest visibility during the same period was in the range of 200-400 metres, officials said. The city airport was covered with 600-800 meters of dense fog till 10 am. Visibility reached 1800-2000 meters with less haze due to strong dry winds in the afternoon, he said.
The air quality index (AQI) of the national capital was recorded at 280 at 8 am, which falls in the ‘poor’ category. It was still in the ‘poor’ category in the evening. An AQI between zero and 50 is considered good, 51 and 100 satisfactory, 101 and 200 moderate, 201 and 300 poor, 301 and 400 very poor, and 401 and 500 severe.
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