青藏高原暖季移出型低涡发生规律及典型个例发展机制的差异分析

燕若彤, 邓凤东, 许东蓓, 麦哲宁

Analysis of the occurrence rules of the moving-out vortex over the Qinghai-Xizang Plateau and the differences in the development mechanism of typical cases in warm seasons

YAN Ruotong, DENG Fengdong, XU Dongbei, MAI Zhening

图1 1990—2019年暖季（5—9月）移出型高原低涡（MQXPV）频数标准化距平的年际变化（a、c、e、g、i、k）及移出型高原低涡频数的小波功率谱分布（b、d、f、h、j、l） （a、b）5—9月，（c、d）5月，（e、f）6月，（g、h）7月，（i、j）8月，（k、l）9月 （黑实线包围区域表示通过95%的置信水平）

Fig.1 The inter-annual variation of the standardized anomaly of the frequency of the moving-out Qinghai-Xizang Plateau vortex (MQXPV) (a, c, e, g, i, k) and the wavelet power spectrum distribution of the frequency of the MQXPV (b, d, f, h, j, l) in warm seasons from 1990 to 2019 (a, b) from May to September, (c, d) May, (e, f) June, (g, h) July, (i, j) August, (k, l) September (The areas enclosed by black solid lines indicate the values passing the 95% confidence level)