National Meteorological Center: It is expected that there will be three main cold air processes across the country in February

　　China News Service, February 6th. The China Meteorological Administration held a press conference in February 2023 on the 6th. Fang Xiang, deputy director of the National Meteorological Center, revealed at the meeting that it is expected that there will be three main cold air processes across the country in February. The strengths are: in the early part of the first ten days (medium), in the late part of the first ten days (weak), and in the late part of the last ten days (medium).

　　In terms of national weather and climate characteristics and major climate events in January 2023, Fang Xiang introduced that my country's climate in January is generally warm and dry.

The national average temperature in January was -4.4°C, 0.4°C higher than normal in the same period; the national average precipitation was 8.8 mm, 38.6% lower than normal in the same period.

The main weather and climate events are as follows:

　　One is that there were 3 cold air processes in the middle and late ten days, and extremely cold weather appeared in Heilongjiang.

There are mainly 3 cold air processes in January (1 time in the middle ten days and 2 times in the late ten days), and the temperature turns from significantly higher in the first ten days to lower.

Among them, January 12-15 is the first cold wave process of this year.

During the Spring Festival (22-24th), there was a process of strong cold air, and the temperature of 6 meteorological observation stations broke through the historical extremes of the lowest temperature since the establishment of the station. Among them, the lowest temperature of Jintao Meteorological Station in Amur Town, Heilongjiang was -53.0 ℃, which broke through my country's meteorological The lowest temperature historical extreme value ever recorded.

　　The second is that the precipitation in most areas is generally low, but heavy snowfall occurred in Xinjiang, Shanxi and other places in the middle of the month.

From the 11th to the 15th, there was a large-scale snowfall in our country. Among them, Xinjiang, Shaanxi, Shanxi, Henan, Heilongjiang and other places experienced heavy snow or blizzard. The daily precipitation of many national meteorological stations in Xinjiang, Shanxi and other places exceeded the historical extreme value in January.

　　In January, a total of 29,000 pieces of early warning information were released across the country, including 28,700 pieces of early warning information for meteorological disasters.

The number increased by 31.1% year-on-year, and early warning information such as low temperature, forest fire danger, and cold wave increased significantly year-on-year.

　　In terms of weather and temperature trends in the next ten days: Before the 11th, the cold air affecting our country was weak, and the temperature in most parts of the country was high, and then the cold air strengthened.

In the next 10 days, except for the average temperature in the Northwest, western Huanghuai, Sichuan Basin, and Guizhou, which is about 1°C lower than the same period of normal years, the average temperature in most other parts of the country will be 1-3°C higher.

　　In terms of precipitation: In the next 10 days, the southern region will be cloudy and rainy.

The cumulative precipitation in southern Jianghan, Jianghuai, Jiangnan, South China, and Guizhou is 40-70 mm, and in parts of Jiangnan and northern South China 80-150 mm; the precipitation in most of the above-mentioned areas is 50% to 2 times higher than the same period of normal years. The precipitation in most of the rest of my country is basically close to normal.

　　The specific forecast is as follows: From 7 to 9, there will be moderate to heavy rain and local heavy rain in Jianghan, Jianghuai, Jiangnan, northern South China, and eastern Guizhou; there will be light to moderate snow or sleet in the eastern part of Northwest China, most of North China, and western Huanghuai. There was heavy snow in some areas.

　　On the 11th and 12th, there will be a moderate to heavy rain in Jianghan, Jianghuai, Jiangnan, northern South China, and Guizhou.

From the 11th to the 13th, affected by the strong cold air, there will be strong winds and cooling weather in the central and eastern regions.

　　In terms of climate trend prediction and weather service reminders in February 2023, Fang Xiang pointed out that in terms of temperature: it is expected that in February, northern Heilongjiang, southwestern Guangdong, southern Guangxi, Hainan, southeastern Yunnan, parts of northwestern Tibet, and southwestern Xinjiang The temperature is lower than the same period of normal years, and the temperature in most other parts of the country is close to the same period of normal years or higher.

　　In terms of cold air: It is expected that in February, there will be three main cold air processes. The time and intensity of occurrence are: in the early part of the first ten days (moderate), in the late part of the first ten days (weak), and in the late part of the last ten days (moderate).

　　In terms of precipitation: It is expected that in February, Shanghai, parts of southern Jiangsu, Zhejiang, southern Anhui, most of Fujian, Jiangxi, southeastern Hubei, most of Hunan, most of Guangdong, eastern Guangxi, parts of southeastern Guizhou, and Taiwan will have moderate rainfall. 50-100 mm, 100-200 mm in parts of western Fujian; central Jiangsu, central Anhui, southern Henan, central Hubei, northwestern Hunan, partial southern Guangdong, western Guangxi, eastern Hainan, southeastern Chongqing, eastern Guizhou and parts of southwest The precipitation in some places such as Yunnan and eastern Yunnan is 25-50 millimeters; the precipitation in the rest of the country is less than 25 millimeters.