Q. We live in a Colonial with two dormers. When we have high winds, light, powdery snow will blow in through the soffit vents into the unfinished attic. When the snow melts, we have (small) leaks and ...

A. I used to have similar leaks until I installed baffle vents and a plywood subfloor. After installing the plywood, any snow that blew in landed on the floor, melted, and eventually evaporated.