During the monsoon onset period, the westerlyjet becomes weaker due to its moving away from Gaize to the north.
季风爆发阶段西风急流逐渐离开改则地区并向高原北部移动，在该地区表现为减弱。
2
We study the interannual variability of the extratropical westerlyjet over East Asian (EAJS), its impacts and possible mechanisms.
探讨了东亚地区副热带西风急流(EAJS)位置的年际变化特征、影响及其可能机制。
3
The evolution and enhancement of occluded frontal circulation in upper-level westerlyjet and lower-level southerly jet are discussed by using a dry primitive equation model.