**The Meteorological Observatory issued a yellow warning for cold waves, a blue warning for high winds and a blue warning for sandstorms at 6 p.m. on 16 February, which is the first time this year that a three-color warning has been in effect at the same time. Affected by the strong cold air, most parts of China will experience a drastic cooling process in the next few days, and the temperature in some areas will drop by more than 20, accompanied by strong winds and dusty weather, which will bring inconvenience and harm to the public's travel and life.
According to the forecast of the ** meteorological observatory, starting from the night of February 16, the eastern part of Northwest China, North China, Northeast China and other places will be the first to be attacked by the cold wave, the temperature will drop by 8 to 12, and the local temperature will drop by more than 16. Subsequently, the cold wave will advance to the southeast, the scope of influence will gradually expand, by February 22, the middle and lower reaches of the Yangtze River and the south of the region will also be hit by the cold wave, the temperature will generally drop by 12 to 18, of which, the northern part of Xinjiang, Inner Mongolia, Northeast China, Hubei, Hunan and other places The cumulative cooling range can reach more than 20. Around February 23, the minimum temperature 0 line will be pressed south to the south of Jiangsu and Anhui, the north of Jiangxi to the south of Hunan, and the south of Guizhou, and some areas will be frozen or frosted.
The arrival of the cold wave will also bring strong northerly winds and dusty weather. From February 16th to 18th, there will be 4 to 6 northerly winds in the eastern part of Northwest China, North China, Northeast China and other places, with gusts of 7 to 8 and 9 locally, and the dust weather will appear in Xinjiang, Inner Mongolia, Gansu, Ningxia, Shaanxi, Shanxi, Hebei and other places. From February 19th to 21st, with the eastward movement of the cold wave, there will be 4 to 6 northerly winds in Northeast China, North China, Huanghuai, Jianghuai, Jianghan and other places, with gusts of 7 to 8 and 9 locally, and the dust weather will appear in Inner Mongolia, Hebei, Shanxi, Henan, Shandong and other places. From February 22 to 24, the cold wave will affect the eastern and southern seas of China, and there will be strong winds of 6 to 8 with gusts of 9 to 10 in the East China Sea, the northern part of the South China Sea, and the Taiwan Strait.
The combined effects of cold waves, strong winds, and sand and dust weather will have an adverse impact on China's agriculture, transportation, environment, and health. In terms of agriculture, the cold wave will cause frost damage to early spring crops, facility agriculture and aquaculture in southern China, especially on tea, vegetables, fruits and other cash crops in Jiangnan and South China, so it is necessary to take protective measures in time. In terms of transportation, strong winds and dusty weather will have varying degrees of impact on roads, railways, airlines and other transportation, which may lead to reduced visibility, aircraft delays, highway closures, etc., so it is necessary to pay attention to traffic safety and travel information. In terms of environment, sand and dust weather will adversely affect the air quality in northern China, which may lead to PM10 and PM2The concentration of pollutants such as 5 will increase, affecting the beauty and comfort of the city, and environmental monitoring and protection need to be strengthened. In terms of health, cold waves, strong winds and dusty weather will have adverse effects on the human respiratory system, cardiovascular system, immune system, etc., which may lead to colds, coughs, asthma, heart palpitations and other symptoms.
February** Dynamic Incentive Program
In order to cope with the impact of the cold wave, strong winds and dust weather, the China Meteorological Administration launched an emergency response to major meteorological disasters (cold waves), requiring meteorological departments at all levels to strengthen monitoring and forecasting, release early warning information in a timely manner, strengthen communication and coordination with relevant departments, provide professional services, and guide all localities to take effective preventive measures, reduce disaster losses, and ensure the safety of people's lives and property.