Shallow fog witnessed in Delhi today, cold wave to return on weekend


Shallow fog wrapped parts of the capital on Tuesday morning, reducing visibility and affecting vehicular movement.

A layer of dense to very over the Indo-Gagetic plains and adjoining central and eastern parts of the country affected rail and air traffic.

At least 21 trains to Delhi were delayed by one-and-a-half to five hours due to the foggy weather, a Railways spokesperson said.

An airport official said five flights were diverted to Jaipur on Monday night due to bad weather in Delhi.

The Safdarjung observatory, Delhi’s primary weather station, recorded a minimum temperature of 8.5 degrees Celsius, a notch above normal.

The maximum temperature is likely to settle around 17 degrees Celsius.

Moderate to is predicted in Delhi for the next two days. Coldwave conditions are set to return on the weekend and the mercury may drop to 4 degrees Celsius.

According to the India Meteorological Department (IMD), ‘very dense’ fog is when visibility is between 0 and 50 metres, 51 and 200 metres is ‘dense’, 201 and 500 metres ‘moderate’, and 501 and 1,000 metres ‘shallow’.

In the plains, the Met office declares a if the minimum temperature dips to four degrees Celsius or when the minimum temperature is 10 degrees Celsius or below and is 4.5 notches below normal.

A severe is when the minimum temperature dips to two degrees Celsius or the departure from the normal is more than 6.4 degrees Celsius.

The Air Quality Index (AQI) of the capital was recorded at 384 at 11 am.

An AQI between 201 and 300 is considered ‘poor’, 301 and 400 ‘very poor’, and 401 and 500 ‘severe’.

The Commission for Air Quality Management had on Monday said curbs under Stage III of the Graded Response Action Plan, including a ban on non-essential construction and demolition work, would remain in force in Delhi-NCR as pollution levels were showing an upward trend.

(Only the headline and picture of this report may have been reworked by the Business Standard staff; the rest of the content is auto-generated from a syndicated feed.)


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