据中国荒漠化监测中心提供的数据，2000年3月26日，受冷锋云系影响，我国甘肃中部、宁夏中北部、内蒙古自治区西部的部分地区出现了大范围的扬沙天气，部分地区有沙尘暴发生。此次沙尘暴与扬尘影响范围约为174161平方公里，受影响人口约为2498.31万，耕地约为523万公顷，牧草地 According to data provided by China Desertification Monitoring Center, on March 26, 2000, affected by the cold frontal cloud system, a large area of ​​sand blowing weather occurred in parts of central and eastern Gansu, central and northern Ningxia, and the western Inner Mongolia Autonomous Region, with dust storms occurring in some areas . The dust storm and dust affect the range of about 174161 square kilometers, the affected population of about 24983100, arable land of about 5230000 hectares, grassland