北美黑风暴1934年5月11日凌晨,美国西部草原地区发生了一场空前未有的黑色风暴.大风整整刮了3天3夜,形成一个东西长2400千米、南北宽1440千米、高3.4千米的迅速移动的巨大黑色风暴带.风暴所经之处,溪水断流,水井干涸,田地龟裂,庄稼枯萎,牲畜渴死,成千上万的人流离失所. In the early morning of May 11, 1934, an unprecedented black storm occurred in the grassland of the western part of the United States. The wind blew up for 3 days and 3 nights. It formed an east-west length of 2,400 km, a width of 1,440 km from north to south, and a height of 3.4. Thousands of miles of rapidly moving huge black storm belts. Where storms pass by, streams are cut off, wells dry up, fields are cracked, crops are withered, livestock die of thirst and thousands of people are displaced.