Climatology of line‐shaped rainbands over northern Japan in boreal summer between 1990 and 2010
Climatology of line‐shaped rainbands over northern Japan in boreal summer between 1990 and 2010
复制标题
1990年至2010年北半球夏季日本北部线状雨带的气候学
DOI：
10.1002/asl.373
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发表时间：
2012
影响因子：
3
通讯作者：
Naoki Matsuoka
中科院分区：
文献类型：
--
作者：
T. Yamada;J. Sasaki;Naoki Matsuoka
线状雨带（LRB）是一种严重的风暴事件，会在中纬度地区造成暴雨，并且由于其复杂的物理过程而难以准确预测。我们研究了 1990 年至 2010 年期间日本北部北夏季 LRB 的发生情况。在长波暴出现异常多的年份，日本北部长波暴的发展是由温暖的海面温度和西风湿气通量的正异常综合驱动的，而西风湿气通量与日本主岛和鄂霍次克海之间的表面压力异常的显着模式相关。相比之下，LRB 的数量明显较少，且具有相反的特征。版权所有 © 2012 英国皇家气象学会
Line‐shaped rainbands (LRBs) are severe storm events that cause torrential rainfall across the mid‐latitudes and are difficult to accurately predict because of their complex physical processes. We examined the occurrence of LRBs in boreal summer in northern Japan over the period 1990–2010. In years with anomalously many LRBs, the development of LRBs over northern Japan was driven by a combined positive anomaly of warm sea‐surface temperatures and westerly moisture flux associated with the prominent pattern of the surface pressure anomalies between the main island of Japan and the Sea of Okhotsk. In contrast, the number of LRBs were significantly small with opposite characteristics. Copyright © 2012 Royal Meteorological Society