It is extremely cold in North India including the capital Delhi. In many states the temperature has reached minus. Due to which people are not coming out of their homes. But do you know what is Cold Day and when does the government announce it? Today we will tell you after what temperature the cold day is declared.
Severe cold in the country
Severe cold is occurring in many states of the country. Not only this, due to cold wave the speed of flights, trains and vehicles has also slowed down. But as the temperature is falling, common people are facing a lot of problems. Let us tell you that in many states a drop of 10 degrees Celsius is being seen in the temperature. At the same time, heavy snowfall is being seen in the hilly areas. In view of the cold, many states have extended the holidays. Not only this, the Uttar Pradesh government has also announced Cold Day in view of the cold. But do you know when it is called a cold day?
When is a cold day?
According to the weather department, a cold day occurs when the minimum temperature is 10 degrees above normal. Is less than or equal to Celsius. At the same time, the maximum temperature is at least 4.5 degrees Celsius less than normal. Apart from this, in hilly areas when the minimum temperature is less than or equal to 0 degree Celsius, then it is considered as cold day. However, during this period the maximum temperature can be 4.5 degree to 6.4 degree Celsius below the normal temperature of the season.
Difference between cold day and severe cold day?
Let us tell you that extreme cold The days are divided into two categories. In which the first is cold day and the second is severe cold day. However, which day will be a cold day and which day will be a severe cold day, it depends on the temperature of that day and the geography of that place. The Meteorological Department has maintained different standards for plain areas and hilly areas. According to the Indian Meteorological Department, when the minimum temperature in the plains is 4 degrees Celsius or less, it is called cold wave. Whereas in severe cold wave the temperature is 6.5 degrees Celsius less than the normal temperature.
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