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Archived

Avalanche Forecast

Jan 28th, 2017–Jan 29th, 2017
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Glacier.

Human triggered avalanches are certainly possible on steep and exposed terrain. Expect avalanche hazard to increase with solar input and building winds.

Weather Forecast

A mix of sun and cloud today with and Alpine high of -4.  Ridge wind will be SW 35 km/h with the freezing level rising to 1200m. No precipitation is expected until tomorrow morning, when a low pressure system will arrive spreading 4cm of accumulation.

Snowpack Summary

It has been over a week since the last significant snowfall but settled powder remains in sheltered areas. A sun crust is present on steep solar aspects with a variable wind slab at ridge crest and in cross loaded areas. Storm interfaces down 25-40cm are bonding but still producing planar results in stability tests.

Avalanche Summary

No new avalanches were observed yesterday.

Confidence

Intensity of incoming weather systems is uncertain

Avalanche Problems

Wind Slabs

Wind slabs exist at ridge-top and on cross-loaded alpine features. They sit atop a variety of surfaces and are most concerning on steep terrain where the consequences of even a small avalanche are high.
Be careful with wind loaded pockets, especially near ridge crests and roll-overs.Use caution above cliffs where small avalanches may have severe consequences.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2