Cloud-to-ground (CG) lightning is a major safety hazard. As stated previously by Curran et a. (1995) and Holle et al. (1999), lightning ranks only second (behind floods) as a cause of weather-related fatalities. In the United States, lightning strikes were responsible for an average of 93 fatalities and 257 injuries per year that were reported in the National Oceanic and Atmospheric Administration's Storm Data between 1959 and 1990 (Lopez and Holle, 1996). The beginning and ending portions of storms were found to be critical times for these casualties (Holle et al., 1992) because people often do not take shelter early enough or they perceive the lightning threat to end too soon (Holle et al. 1999).
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机译：云对地（CG）雷电是主要的安全隐患。如Curran等人先前所述。 （1995）和Holle等。 （1999年），雷电仅次于洪水灾害，仅次于洪水（仅次于洪水）。在美国，每年1959年至1990年美国国家海洋与大气管理局（National Oceano and Atmospheric Administration）的风暴数据报告，雷击平均每年造成93人死亡和257人受伤（Lopez and Holle，1996）。发现风暴的开始和结束部分是这些伤亡的关键时刻（Holle等，1992），因为人们常常没有足够早地躲避或他们意识到雷电威胁可能过早结束（Holle等，1999）。 。
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