The characteristics of helicity in a hurricane are presented by calculating the MM5 model output in addition to theoreti......

利用郑州７１４ＣＤ多普勒天气雷达观测资料，结合有关地面要素资料和郑州探空资料。对１９９８年９月４日一次典型超级单体造成的冰雹大风和短时强降水过程......