青海甘肃多地沙尘暴部分地区能见度不足百米 大风卷着细沙从路面拂过

Group 1 - The article reports on sandstorm weather occurring in multiple regions of Qinghai and Gansu, with visibility in some areas dropping below 100 meters [1] - A blue warning signal for sandstorms has been issued by the Lanzhou Meteorological Station, indicating the need for caution regarding the adverse effects of sandstorms on transportation [1] - The Central Meteorological Station forecasts that the areas affected by floating dust will primarily include Gansu, Ningxia, Shaanxi, and Xinjiang [1]