The major trough will break down the ridge in China by t+48 and a N-S oriented ridge is expected to build to the east of SINLAKU, allowing a northward movement through t+96.

• 预料该西风槽将于48小时后击退在中国的副高，而一个南北向的脊场将于森垃克的东面建立，令森垃克于t+96小时前向北移动。