Large amount of moisture converged in the low level was carried upwards to the middle and upper levels by the strong updraft, and large amount of latent heat was released near the eyewall.

• 台风登陆后通过低层辐合获得了大量水汽，眼墙区强劲的上升运动将低层辐合的水汽向中上层输送，在眼墙附近凝结产生大量的非绝热加热；