Northwest Avalanche Center

Observation: Public

All Observations

Observation Details

Name:
Sierra Bishop
Observation Date:
February 8, 2022
Submitted:
February 8, 2022
Zone or Region:
West North
Activity:
Skiing/Snowboarding
Location:
Baker BC - Table Mountain

Signs of Unstable Snow

None reported

Observations

1. Recorded observations on northern aspect to investigate presence of persistent weak layer below 5000'. Found rounding facets at 75 and 90 cm down below K-hard crusts.

Test results:
4800' elevation, NW aspect
Boot pen: 30 cm
Wind loaded slope
- CTE SP down 13 cm
- CTM SP (x2) down 24 cm on DFdc
- CT15 SC down 75 cm on MFcl with FCxr
- CT20 SC down 90 cm on FCxr
- ECTX

2. Recorded observations on southerly aspects to observe weekend (2/5 - 2/6) sun crust loading via hand shears. Found sun crust at 5000' on SSW aspect with 1mm buried surface hoar down 25 cm with planar-energetic hand shear result.

Media

5000', SSW aspect hand shear
4800', NW aspect
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