Last Update: January 11, 2023, 5:01 pm IST
People in northwest India will get some respite from the cold wave as the minimum temperature will increase by about 2 degrees tomorrow. (File Image: PTI)
The IMD said that during the next 24 hours, the minimum temperature would increase by about 2 degree Celsius over many parts of northwest India.
North West India Shivering in cold wave condition since last few days. Dense fog adversely affected air, rail and road traffic and several road accidents occurred in the region.
However, the India Meteorological Department (IMD) said that during the next 24 hours the minimum temperature would increase by about 2 degree Celsius over many parts of northwest India, but there would be no significant change for the subsequent 48 hours and thereafter Gradually there will be a drop of 3-5 degrees. ,
The cold wave conditions in Delhi abated on Tuesday due to a fresh western disturbance affecting northwest India. The Safdarjung Observatory, Delhi’s main weather station, recorded a minimum temperature of 6.4 degrees Celsius, while it was 3.8 degrees Celsius on Monday. PTI Reported.
Read also: Delhi Cold Wave: Why does your breath become visible in winter? Explained
What is cold wave?
Cold wave is a condition of air temperature which becomes fatal to the human body when exposed. Cold wave is observed when the minimum temperature in the plains drops below 4 degrees Celsius or when the minimum temperature falls below 10 degrees Celsius and is 4.5 to 6.4 degrees below normal. In severe cold wave, the minimum temperature goes below 2 degrees.
IMD scientist RK Jenamani said that widespread fog cover is one of the main reasons contributing to the cold wave conditions in the region.
“While westerly and north-westerly winds at a speed of around 5 to 10 kmph in the afternoon are also contributing to the drop in temperature, a significant factor this month is fog, which lasts longer, sunlight Prevents and affects water from reaching the surface. radiation balance. There is no heat during the day and then there is the effect of night. Foggy or cloudy nights are usually associated with warm nights, but if the fog lasts for two or three days, the night starts to cool down as well. Indian Express,
Light winds and high humidity near the land surface cause a blanket of fog to form over large areas of the Indo-Gangetic plains. In the absence of Western Disturbance over the region, cold northwesterly winds are also contributing to the low temperature.
“Western Disturbances, which are storms from the Mediterranean region, are associated with a change in wind direction, bringing easterly winds over northwest India. The last time easterly winds blew in this area was on December 29.
Delhi usually experiences cold wave in late December and January. IMD data shows that the number of cold wave days in January has ranged from zero to seven over the past decade. The national capital did not record cold wave days in December this winter, but has seen five such days this January, which is more than last year. Indian Express,
Weather forecast for the coming days
People in northwest India will get some respite from the cold wave as the minimum temperature will increase by about 2 degrees tomorrow. Cold wave conditions are likely to prevail over isolated parts of Punjab, Haryana, Chandigarh, Delhi and Rajasthan on January 15-16. Dense to very dense fog would be observed over isolated parts of Punjab, Haryana, Chandigarh, Delhi and Rajasthan.
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