Observation: Logan

Observation Date
2/12/2021
Observer Name
Pagnucco
Region
Logan
Location Name or Route
Beaver Mt West Face
Weather
Sky
Obscured
Precipitation
Moderate Snowfall
Wind Direction
West
Wind Speed
Strong
Weather Comments
Blustery day with rapid wind loading. Temps in mid 20's F.
Snow Characteristics
New Snow Depth
6"
New Snow Density
Medium
Snow Surface Conditions
Powder
Snow Characteristics Comments
West faces were wind hammered and only had about 6" of medium density new snow. Large wind pillows towards the ridgeline.
Red Flags
Red Flags
Heavy Snowfall
Wind Loading
Poor Snowpack Structure
Red Flags Comments
No collapsing or cracking but there were areas where I'd drop into the weak facets both skiing and skinning. This area has been heavily affected by the strong winds and much of the snow has been carried off over the ridge or even further.
Avalanche Problem #1
Problem
Persistent Weak Layer
Trend
Same
Problem #1 Comments
Snowpack is still weak in general. Facets underlying a growing slab.
Avalanche Problem #2
Problem
Wind Drifted Snow
Trend
Increasing Danger
Problem #2 Comments
Winds were howling today and snow transport was rapid. Cornices building on lee sides.
Snow Profile
Aspect
West
Elevation
8,500'
Slope Angle
20°
Comments
The winds wreaked havoc today. Even the ground winds were whipping.
Today's Observed Danger Rating
High
Tomorrows Estimated Danger Rating
High