2003年5月初，田纳西山谷遭受了14次龙卷风袭击，其中5月5日的经典超级单体风暴在田纳西州南部引发了多起F0-F3级破坏性龙卷风，而6月6日，一场高降水超级单体风暴在阿拉巴马州北部产生了多起F0-F1级龙卷风。这篇研究通过北阿拉巴马闪电映射阵列的数据，详细探讨了这些超级单体风暴的生命周期及其电气和雷达演变特征。
摘要：
During the first week of May 2003, the Tennessee Valley experienced 14 tornadoes. Those that moved across the Tennessee Valley Region of northern Alabama and southern Tennessee provided an opportunity for study us- ing the North Alabama Lightning Mapping Array (LMA). On 5 May a classic supercell trekked across southern Tennessee spawning several tornadoes producing FO-F3 damage; on 6 May a high precipitation supercell moved across northern Alabama producing several FO-F1 tornadoes. The life cycle of these supercells will be discussed by presenting their electrical and radar evolution.
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