The Central Meteorological Observatory issued four warnings for cold wave, heavy fog, strong wind and sandstorm.

　　China News Service, February 19. According to the website of the Central Meteorological Observatory, the Central Meteorological Observatory will continue to issue a cold wave orange warning at 6:00 on February 19: Affected by the cold wave, it is expected that from February 19 to 22, most of the central and eastern parts of my country will have a cold wave from the west. Severe cooling has occurred from east to west, from north to south, with daily average or minimum temperatures generally falling by 8 to 12°C. Temperatures in central and eastern Northeast China, southern North China, Huanghuai, Jianghuai, Jianghan, Jiangnan, central and northern South China, and Guizhou will drop by 12°C. ~18℃, of which the cumulative cooling rate in some areas in the eastern part of Northeast China and eastern Hunan and Guizhou can reach more than 20℃. Around February 23, the minimum temperature line of 0°C will press southward from southern Jiangsu and Anhui to southern Hunan and southern Guizhou.

　　It is expected that from 8:00 on February 19 to 8:00 on February 21, parts of southeastern Inner Mongolia, Northeast China, most of North China, Huanghuai, Jianghuai, Jianghan, and northern Jiangnan will successively cool down by 8 to 10°C. Among them, The temperature in the central and eastern part of Northeast China, southern North China, most of Huanghuai, central and western Jianghuai, Jianghan, and northern Hunan will drop by 12°C to 14°C, and the temperature in some parts of the eastern part of Northeast China will drop by more than 18°C.

　　The Central Meteorological Observatory will continue to issue a yellow fog warning at 6:00 on February 19: It is expected that there will be heavy fog in the western East China Sea, Taiwan Strait, Guangdong coastal waters, and Guangxi coastal waters from day to night on the 19th, with visibility less than 1 kilometer. In addition, from the morning of the 19th to the morning of the 19th, there will be heavy fog in northern Jiangsu and other places, with local strong dense fog with visibility less than 200 meters.

　　The Central Meteorological Observatory will continue to issue blue warning for strong winds at 6:00 on February 19: It is expected that from 8:00 on February 19 to 8:00 on February 20, central and western Tibet, central and southern Qinghai, southeastern Inner Mongolia, western and southern Liaoning, eastern North China, Huangshan Some areas in eastern Huaihe, eastern Jianghuai and other places have winds of magnitude 5 to 6 and gusts of magnitude 7 to 9. There will be winds of magnitude 7 to 8 in the Bohai Sea, Bohai Strait, and most of the Yellow Sea, with gusts of magnitude 9 to 10.

　　From 8:00 on February 20 to 8:00 on February 21, some areas in central and western Tibet, central and western Qinghai, eastern North China, Huanghuai, eastern Jianghuai, Jianghan and other places had winds of magnitude 5 to 6, with gusts of magnitude 7 to 9. There will be winds of magnitude 7 to 8 in the Bohai Sea, Bohai Strait, and most of the Yellow Sea, with gusts of magnitude 9 to 10.

　　The Central Meteorological Observatory will continue to issue a blue sandstorm warning at 6:00 on February 19: It is expected that from 8:00 on February 19 to 8:00 on February 20, the southern Xinjiang Basin, western Inner Mongolia, northeastern Qinghai, central and southern Shaanxi, southwestern Shanxi, and western Henan Some areas in central and western Hubei, central and northern Sichuan Basin and other places have blowing sand or dust.