东南沿海干暖盖的形成主要是由副热带高压坝内对流层中低层的暖干空气由南海和两广地区沿西太平洋副热带高压西侧向东北平移的结果；
The formation of the warm dry lid over the southeast coastal region of china is mainly due to the advection of warm and dry air along the western side of subtropical anticyclone.
太平洋副热带高压大而强，位置偏南，脊点偏西。南半球冷空气活动比常年少而弱。
The Pacific subtropical anticyclone appears strong and large, its position leans toward south, and its ridge extends to west.
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