Storm winds snap and roar simply by the rigging, flying flags stretched taut, their colorations fierce in opposition to a slate-gray sky

https://mylessjwo723.zenbloomer.com/posts/how-many-versions-of-the-american-flag-have-existed-through-u.s.-history

Storm winds snap and roar by means of the rigging, flying flags stretched taut, their hues fierce towards a slate-grey sky.