Rapid surface hoar growth overnight in the #HatcherPass area #Talkeetna #Mountains of #Alaska. At sunrise and sunset you could see the culprit moisture hanging in the cold, calm air. Large, standing, and intact crystals are blanketing all aspects. If #wind is good for something, it’s getting rid of this potential #PersistentWeakLayer. #Denali and #Sultana in the distance.

A post shared by Anchorage Avalanche Center (@anchorage_avalanche_center) on Dec 28, 2017 at 6:53pm PST