2 adjectives to describe northwesters

I was about to get down from my crotch in the tree, and was just reaching out my dexter leg to feel if I could touch a bough below me, when a low, wild shriek ran along the wire,as when the wind-harp, above referred to for illustration, is blown upon by some rude, sharp northwester.

I was about to get down from my crotch in the tree, and was just reaching out my dexter leg to feel if I could touch a bough below me, when a low, wild shriek ran along the wire,as when the wind-harp, above referred to for illustration, is blown upon by some rude, sharp northwester.

2 adjectives to describe  northwesters