Frozen Fog in the Southern Appalachians "Hoarfrost "

In the winter heavy fog is very common in the Southern Appalachians . In the higher elevations, when it is below freezing ,this winter fog coats everything in its path. In this image the valley below had fog but no hoarfrost. As I went up the mountain and got to a higher elevation I found this winter wonderland scene with hoarfrost covering everything in site.LynnFreeny.com