上升气流

Peak updraft strength is slightly enhanced with hodograph curvature.

山气流强度随速矢端迹曲率加大而稍有加强。

As the plane exited the storm into the prevailing southwesterlies, there was a rapid increase in both the head wind and updraught.

其后航机飞出暴雨区进入盛行西南带时，逆和气流均迅速加强。