The National Meteorological Center recently issued a Yellow Fog Warning, alerting the public to the impacts of low-visibility weather on transportation and health. In China’s meteorological warning system—graded into four levels—the yellow warning is the third level, indicating that dense fog with visibility below 500 meters is expected within the next 12 hours, or that such conditions already exist and may persist. This type of weather commonly occurs during autumn and winter, especially in the early morning or at night when humidity is high, wind speeds are low, and the atmosphere is stable.Fog significantly reduces visibility on roads, in the air, and on waterways, increasing the risk of accidents. Drivers are advised to slow down, use fog lights, and avoid travel if necessary. Airports and seaports may also adjust flight or vessel schedules accordingly. Additionally, fog often carries airborne pollutants, so vulnerable groups—including the elderly, children, and those with respiratory conditions—should limit outdoor exposure and take protective measures.The public can stay informed through the National Meteorological Center’s official website, mobile weather apps, or local meteorological services, and follow recommended safety guidelines. Staying updated on weather changes helps ensure personal safety and maintain daily routines.
中央气象台近日发布大雾黄色预警，提醒公众注意低能见度天气对交通和健康的影响。大雾黄色预警属于中国气象灾害预警信号中的第三级（共四级），表示未来12小时内可能出现能见度小于500米的浓雾，或当前已出现并可能持续。此类天气通常出现在秋冬季节，尤其在湿度高、风速小、大气层结稳定的清晨或夜间。大雾会显著降低道路、航空和水路运输的能见度，增加交通事故风险。驾驶人员应减速慢行、开启雾灯，必要时暂停出行；机场和港口也可能因此调整航班或船舶调度。此外，雾中常含有污染物，敏感人群如老人、儿童及呼吸系统疾病患者应减少外出，注意防护。公众可通过中央气象台官网、手机天气应用或地方气象部门获取最新预警信息，并根据提示采取相应防范措施。及时关注天气变化，有助于保障人身安全与正常生活秩序。
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