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- Published: January 4, 2023 12:18
New Delhi: Northern cold waves continued to batter the national capital of Delhi as the temperature dropped down to 4.4 Degrees Celsius, setting the record for the lowest temperature of this season on Wednesday morning.
Delhi’s central weather station, The Safdarjung observatory reported the lowest temperature of 4.4 degrees Celsius which is three indents below the normal.
Indian Meteorological Department’s speculations suggest that Delhi will see no respite from cold and cold waves will return on Thursday, dropping the temperature to as low as 4 degrees Celsius.
However, IMD forecast that cold waves will hit a peak in the next two days and will decrease after that.
Similarly, opaque fog blanketed visibility, lowering it by 200 meters. Delhi’s road and rail transportation facilities were affected by the same, Officials added. The Palam observatory situated at the Indira Gandhi International Airport recorded a visibility degree of 200 meters.
Around 19 trains in Delhi faced delays by a minimum of one and a half hours to a maximum of over four hours.
What is the criterion for Cold Wave?
Criteria for cold wave differs for various terrains. As far as Delhi, a plain is considered, the meteorological department declares cold waves if the minimum temperature drops to 4 degrees Celsius.
What is the criterion for ‘dense fog’?
Meteorological Department has 4 categories of fog pertaining to different levels of visibility.
If visibility is between 0 to 50 meters, it is ‘very dense’ fog. If visibility remains within 51 to 200 meters, it is declared as ‘dense fog’ which is the current situation in the National capital of Delhi.
201 to 500 meters is moderate and 501 to 1000 meters is ‘shallow’ fog.