摘要
利用克拉玛依气象站1971—2008年的地面气象观测资料,分析了克拉玛依雷暴、闪电的年际、季节和日变化气候特征。总结了雷暴出现的起止时间和持续时间的分布特点。结果显示,38a克拉玛依雷暴日年平均26.2d,闪电日年平均22.2d。20世纪70年代至今克拉玛依雷暴、闪电日均呈持续递减趋势。雷暴每天较集中出现的时间为13:00—21:00,持续时间以0.5h以内的短时性雷暴为主。
Based on the observation datas from Kelamayi meteorological station during 1971--2008, the climatic characteristics of the decade,seasonal and monthly of thunderstorm and lightning days were statistically analyzed,and the distribution characteristics of onset time and duration of the thunderstorm was summarized.The results are as follows： mean annual days of thunderstorm and lightning emergence at Kelamayi is 26.2 days and 22.2 days. The thunderstorm and lightning days have been continuously descending since 1970s.The thunderstorm always start during 13：00--21：00 of day ,and the duration is mostly less than half an hour.
出处
《沙漠与绿洲气象》
2010年第1期41-43,共3页
Desert and Oasis Meteorology
关键词
克拉玛依
雷暴
闪电
气候特征
Kelamayi
thunderstorm
lightning
climate characteristics
