Weak Layer

Weak Layer Information

Layer Burial Date:
November 7, 2020
Layer Grain Type (Primary):
DH - Depth Hoar
Layer Grain Type (Secondary):
Comments:

Found where October snow lingered into early November – primarily upper elevation shady slopes, especially in the northern half of the forecast area. Found:

  • 11/23/20 on Copper at 8800′, N. Presented as 7cm of 3-5mm depth hoar atop a melt-freeze crust/matrix above the ground.

Media

Depth hoar layer from October snow on Copper Mountain.

Weak Layer Observations

Professional Field Reports:
Jan 29, 2021 - Bull Trout
Dec 4, 2020 - 4th of July Lake
Nov 23, 2020 - Copper Mountain
Avalanche Occurrences:
None Reported