Professional Observation

Observation Details

Signs of Unstable Snow

Key Points

A sunny day that started cold with increased warming and radiation until it was muted by afternoon thin cloud in the June BC.  Here are a series of obs roughly corresponding to the photos below.

• Pogonip fog was observed over Mono Lake.
• Surface conditions were textured by wind through the Hourglass.
• Light surface warming and refreezing was observed in old skin tracks above the hourglass on solar aspects.
• Nearby there was some drifting of surface facets that wasn’t enough to cover old skin tracks
• Surface warming and refreezing was evident around trees on south facing terrain even with relatively shallow slope by mid afternoon when the terrain had gone back into the shade.