NE powder SW sun crusts

CB Avalanche Center 2020-21 Observations

Zone: Northwest Mountains

Location: Poverty Gulch

Date of Observation: 11/28/2020

Name: Travis Colbert

 

Subject: NE powder SW sun crusts

Aspect: North East, South West

Elevation: 9,200-11,600

Avalanches:

Very slow moving sloughs (top 20cm) on 36-38 shaded slopes. Very slow moving shallow slough/slab (10cm sun crust) on 32-34 degree sunny slope.

 

Weather: Blue skies & very little wind. Single digits in the morning, warming to the lower 20s by afternoon.

Snowpack: HS 90-95cm on shaded NE slopes; upper 20cm unconsolidated new snow sitting on a soft crust. HS much lower (did not measure, but maybe 20cm) on sunny SW slopes; but compacted and supportable with 8-10cm soft sun on the surface.

Photos: