全国大部地区正经历剧烈降温、大风和雨雪天气—— 科学应对寒潮来袭

Core Points - A strong cold wave is affecting China from December 10 to 13, bringing significant temperature drops, strong winds, and rain and snow across most regions [1] - The China Meteorological Administration has initiated a Level 4 emergency response due to the severe weather conditions [1] Weather Impact - The cold wave is primarily driven by a deepening upper-level trough and strong northwesterly winds, which are pushing cold air from Mongolia and Siberia southward [1] - The temperature drop will lead to complex precipitation states, including rain, sleet, and snow, particularly affecting areas from southern Shaanxi to southern Henan and southern Shandong [1] - The main impact period of the cold wave is expected to be from December 12 to 13, with temperatures dropping to as low as -8 degrees Celsius in North China and around 0 degrees Celsius in northern Jiangnan [1] Health and Safety Recommendations - Experts warn that the sudden temperature drop can lead to health issues, particularly for vulnerable populations such as the elderly and those with cardiovascular diseases [2] - Recommendations for home safety include checking heating systems, maintaining appropriate indoor temperatures, and ensuring proper ventilation [2] - For outdoor activities, it is advised to dress warmly, stay hydrated, and avoid walking or cycling on icy surfaces [2] Agricultural Precautions - The cold wave poses risks to agriculture, including potential damage to greenhouses and livestock shelters due to heavy snow and strong winds [3] - Farmers are advised to reinforce structures, clear snow from greenhouses, and manage temperature and humidity levels to prevent crop damage [3] - Public awareness of weather forecasts and warnings is crucial for preparation, especially in regions prone to traffic accidents due to icy conditions [3]