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 Central Meteorological Observatory predicts that the cold wave weather from 17 to 22 February will affect the mainland, and the temperature in the central and eastern regions will fluctuate drastically, with the temperature dropping by 10~18 °C in most areas, and the local temperature will drop by more than 20 °C; there will be 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; freezing rain will occur in Henan, Hubei, Hunan, and Guizhou; there will be heavy rain in the central and northern parts of Jianghuai and Jiangnan, and there will be large-scale thunder and lightning and local strong convective weather in the southern region.
1. The temperature in the central and eastern regions first rose and then fell, with violent 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 °C, and some areas in Jiangxi, Fujian and other places could reach about 30 °C, 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 the mainland will drop by 6~12 °C from north to south, and the temperature in some areas will drop by 12~18 °C, and the local temperature in Inner Mongolia, Northeast China, and Central China will reach more than 20 °C. Around the 23rd, the minimum temperature 0 °C line will be pressed south to the southern part of Jiangsu and Anhui to the southern part of Hunan and southern Guizhou. From the 24th, the temperature in the central and eastern regions will rise from north to south.
Affected by the cold wave, most areas of the mainland have 4~6 winds and 7~9 gusts, and the wind strength in the Xinjiang Shankou area can reach about 12; from the 19th to the 24th, there are 6~8 strong winds and 9~10 gusts in the eastern and southern sea areas.
Second, there will be widespread rain and snow on the mainland
Snow and freezing rain forecast: From the 18th to the 22nd, snowfall or rain will turn to snow in the eastern part of Northwest China, North China, Northeast China, Huanghuai, Jianghuai, Jianghan, northern and western Jiangnan, including Shaanxi, Shanxi, southern Hebei, Henan, Hubei, Shandong, central and northern Jiangsu and Anhui, southwestern Tibet, Some areas in the southeast of Qinghai and other places have heavy to heavy snowfall, local heavy snowfall (cumulative snowfall of 8~15 mm, local more than 20 mm; new snow depth of 5~12 cm, local more than 15 cm); from the 20th to the 22nd, Henan, Hubei, Hunan, Guizhou will have freezing rain 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, local heavy rain (cumulative precipitation of 50~80 mm, local 100~130 mm);
Meteorological experts reminded that it is currently the peak of the return of the Spring Festival, and the large-scale rain and snow, freezing and windy weather in some areas in the central and eastern regions 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.