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辽宁2015年8月2日一次暴雨过程非常规资料分析

Abnormal Data Analysis on A Heavy Rain Process in Liaoning on August 2^(th), 2015
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摘要 利用自动站观测资料、探空资料及NCEP再分析资料,对2015年8月2日辽宁南部地区一次暴雨天气过程进行分析。结果表明,此次强降水前期水汽源地在黄海和渤海,对流层中低层主要是东西向水汽输送,后期经渤海湾持续补充,整层湿度较好,比湿较大,水汽充足;暴雨过程伴随多个中尺度对流云团活动,不稳定能量积聚较高,其发展旺盛阶段对应强降水时段,其所处区对应强降水落区。 A heavy rain process in Liaoning on August 2th, 2015 was ana- lyzed , with using data observed by auto- matic station, sounding data and NCEP reanalysis data. The results showed that the early water vapor source of this heavy rain was in the Yellow Sea and the Bohai Sea . The lower of troposphere mainly was east-west water vapor trans- port , and it was supplyed continuely by Bohai Bay in the late . The whole layer moisture was better, and specific humid- ity was larger, and the water vapor was sufficient . Multiple mesoseale convec- tive cloud cluster were along with orren- tial rain process . The unstable energy accumulated higher, and vigorous devel- opment stage corresponded heavy rain. Its area corresponded rain fall area.
出处 《农业灾害研究》 2015年第12期37-39,46,共4页 Journal of Agricultural Catastrophology
关键词 水汽 对流 强降水 The water vapor Con-vection Heavy rain
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