This generates ascent as well as negative vorticity source, which corresponds to a strongly anomaly anticyclone center appearing to the north of the heating region.

• 低层热源区的南风发生反气旋偏转，汇入加热区外的西风气流中，造成低层加热区北部边界及其以北发生次级辐合。 结果该区域产生了垂直上升运动及负的涡度强迫源，对应着异常强烈的反气旋环流。