The slopes showing different isolation levels.
The north face gets more sunshine, the south gets less. The result being that thin snow lasts longer on the south face while it may have completely melted on the north facing slope.
Snipped from here:
The slopes showing different isolation levels.
The north face gets more sunshine, the south gets less. The result being that thin snow lasts longer on the south face while it may have completely melted on the north facing slope.
Snipped from here: