On the 17th-22nd, the cold wave will hit, and there will be severe cooling and widespread rain and snow in the central and eastern regions
* The Meteorological Observatory predicts that the cold wave weather will affect China from February 17 to 22, and the temperature in the central and eastern regions will fluctuate violently, with a drop of 10 18 in most areas, and the local temperature will drop by more than 20; There is obvious rain and snow in most parts of the country, including heavy snowfall in Shaanxi, Shanxi, Henan, Shandong and other places, and local heavy snowfall; Henan, Hubei, Hunan, and Guizhou will have freezing rain successively; There were heavy rains in the central and northern parts of Jianghuai and Jiangnan, and there were large-scale thunderstorms and local strong convective weather in the south.
1. The temperature in the central and eastern regions rose first and then fell, with drastic fluctuations
From the 16th to the 18th, before the main impact of the cold wave, the temperature in most parts of the central and eastern regions rose significantly. Around the 19th, the daily maximum temperature in most parts of Jiangnan, South China, Guizhou, Yunnan and other places was 25 28, and some areas of Jiangxi, Fujian and other places could reach about 30, close to or break through the historical extreme.
From the 17th to the 22nd, affected by the cold wave weather, the temperature in most parts of China will drop by 6 12 from north to south, and the temperature in some areas will drop by 12 18, and the local temperature in Inner Mongolia, Northeast China, and Central China will reach more than 20. Around the 23rd, the minimum temperature 0 line will be pressed south to the south of Jiangsu and Anhui to the south of Hunan and the south of Guizhou. From the 24th, the temperature in the central and eastern regions will rise from north to south.
Affected by the cold wave, there are 4 6 winds and 7 9 gusts in most areas of China, and the wind strength in the Shankou area of Xinjiang can reach about 12. From the 19th to the 24th, there were 6 8 strong winds with gusts of 9 10 in the eastern and southern sea areas.
Second, there will be a wide range of rain and snow in China
Snow and freezing rain forecast: From the 18th to the 22nd, there will be snowfall or rain turning to snow in the eastern part of Northwest China, North China, Northeast China, Huanghuai, Jianghuai, Jianghan, northern and western Jiangnan, among which Shaanxi, Shanxi, southern Hebei, Henan, Hubei, Shandong, central and northern Jiangsu and Anhui, **southwest, southeastern Qinghai and other places have heavy to heavy snowfall, local heavy snowfall (cumulative snowfall 8 15 mm, local more than 20 mm; The new snow depth is 5 12 cm, and the local snow depth is more than 15 cm); From the 20th to the 22nd, freezing rain will occur in Henan, Hubei, Hunan, and Guizhou from north to south.
Rainfall forecast: From the 18th to the 22nd, there will be moderate to heavy rain in Jianghan, Jianghuai, central and northern Jiangnan, and local heavy rain (cumulative precipitation of 50 80 mm, local 100 130 mm); Rainfall in most areas is accompanied by thunder and lightning and short-term heavy precipitation (maximum hourly rainfall of 30-40 mm), and strong convective weather such as hail or thunderstorms and strong winds are localized.
Meteorological experts remind,At present, it is the peak of the return journey of the Spring Festival, and the large-scale rain and snow in the central and eastern regions, freezing and windy weather in some areas will once again have a significant impact on roads, railways, aviation, and water transportation. The public is advised to pay close attention to the latest information released by the local meteorological department and transportation department, make travel arrangements in advance, prevent the adverse effects of slippery, icy and low visibility weather on traffic travel, and take measures to protect against cold and warmth.
*:*Meteorological station**.