Northwest Avalanche Center

Weak Layer

Weak Layer Information

Layer Burial Date:
July 4, 2021
Layer Grain Type (Primary):
DH - Depth Hoar
Layer Grain Type (Secondary):
Comments:

EXAMPLE WEAK LAYER: Do Not Delete

Name: 4th for July Depth Hoar (communication name for public, if other than burial date and grain)

Author: DG (initial creator of the weak layer)

Zones: OLY, HD, WN, WC, WS, EN, EC, ES, STV, SNQ (list only zones the layer is confirmed or highly suspected in)

Comments: (List by date, zone, and initials)

20210704, WN, ST: Widespread depth hoar observers, with rolling collapses, and shooting cracks exceeding 10m.

20210710, ES, DD: Comments can include grain size, weak layer status, test results, distribution, verification, and opinions

20210711, OLY, DD: Do not delete comments from thread.

 

Weak Layer Observations

Professional Field Reports:
Avalanche Occurrences:
None Reported
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