China Weather Network News is cold and cold!

Recently, the temperature in many parts of my country has been significantly lower than normal, and the Central Meteorological Observatory issued the first low temperature warning this year.

It is expected that in the next five days (February 18 to 22), the daily average temperature in many places in my country will be about 5°C lower than the same period of the year. Due to heavy rain, Guangzhou may experience the coldest day in the same period in 8 years.

　　Recently, the temperature in most parts of my country has been lower than that of the same period of the year. Judging from the temperature anomalies in the last 20 days, the temperature in central Inner Mongolia, northern North China, most of the southwest, Jiangnan, and South China is 4-6 °C lower than the same period of the previous year. The region is even lower than 8 ℃.

Netizens complained one after another: "This year's down jacket has been worn back to its original size"; "The fifteenth day of the first month has passed, and it is still so cold"; "I have only seen the sun twice during this Spring Festival"...

　　Why is the weather so cold?

According to Zhang Juan, a meteorological analyst at China Weather Network, the low temperature is closely related to the recent weather situation affecting my country.

The first is that the atmospheric circulation situation in the middle and high latitudes of my country is conducive to the southward movement of cold air, affecting the central and eastern regions; secondly, the southern branch trough is also very active, guiding the southwest warm and humid air to continuously transport to the south, and the convergence of cold and warm causes frequent rainy and snowy weather in the south, so the north The region is dry and cold, while the south is wet and cold.

　　For a period of time in the future, most of my country's cold state will remain.

It is expected that before February 24, the cold air will be more active, and the temperature in most parts of my country will still be lower than usual due to the influence of rainy and snowy weather.

Among them, from the 18th to the 22nd, the southwest, southern China, and central Inner Mongolia were the most significantly lower, with the daily average temperature lower by about 5°C. Southern China may experience the strongest wet and cold weather after the beginning of winter, and the temperature in some areas is lower than the same period of the year. °C.

　　Among the cities, the highest temperature in Changsha and Nanchang is less than 5℃ today and tomorrow, which is more than 8℃ lower than the same period of the previous year, which is extremely cold.

The highest temperature in Guangzhou, Fuzhou, and Haikou from the 20th to the 21st may be the lowest since the beginning of winter, with 6°C in Fuzhou, 8°C in Guangzhou, 7°C in Nanning, and even Haikou will drop to 14°C. Among them, the last time in Guangzhou was in February. It's still 2014 when it's so cold in the middle.

　　At the same time of cooling down, the rain in South China and other places is not small. Guangdong, Guangxi and other places will have a wide range of heavy rain areas tomorrow and the day after tomorrow, and there will be heavy rain locally. Please pay attention to adding clothes in time, take precautions to keep warm, and pay attention to preventing heavy rain. Adverse effects on transportation, etc.

　　Around the 24th, the precipitation in my country has decreased significantly, the power of cold air has declined, and the temperature has ushered in a turning point. The highest temperature in some northern areas will return to normal or high levels, and the highest temperature in Shijiazhuang, Jinan, Zhengzhou and other places will exceed 10 ℃; the south will be colder The degree will also improve, for example, the maximum temperature in Guangzhou will rise to 17 ℃ on the 24th.