Motor clipping in flight

We have a heavy X8 that is having a hard time handling high wind conditions. During loiter in place, it does fine, but when we change flight modes or change position, the wind seems to have more of an influence, causing it to pitch or roll excessively. It seems once the pitch or roll axes exceeds about 75 degrees, the motors begin to clip (I supposed in an attempt to correct it) and it cannot correct and eventually crashes.

My question, should the motors EVER clip, even during these extreme wind circumstances or is this a sign that our system is underpowered?