世界气象组织：2020年世界气象组织空中尘埃公告（英文版）

Sand and dust storms (SDSs) have been recognized by recent United Nations General Assemblies and World Meteorological Congresses as severe hazards that can affect weather, climate, the environment, health and economies in many parts of the world. To combat these hazards, operational SDS forecasting, warning advisory and information assessment services need to be provided for various regions of the world in a globally coordinated and harmonized manner. Since 2004, and at the request of more th