Observation Date: 12/09/2019
Southern Swan – Pyramid area to 7700′
Cloud ceiling at ~7000′ with temps from mid 20s at trailhead to teens in upper elevations.
New Snow: 6-12″
None observed, but visibility was obscured.
Widespread collapsing (whumphing) above 6500′. Three pits with three ECTP moderate failures on facets above 11/17 melt-freeze crust.
Observer: Mat Brunton