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Archived

Avalanche Forecast

Nov 10th, 2015–Nov 11th, 2015
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold

Regions: Glacier.

Avalanche season is here! With exposed boulders, trees, and stumps at the bottom of slopes, these could pile you into a horrible mess. Ouch!

Weather Forecast

Increasing cloud cover today, with 10-15cm of snow arriving Tuesday night / Wednesday morning. Winds will remain light to moderate today, increasing to moderate/strong with the incoming snow. Freezing levels should remain below 1000m through Wednesday.

Snowpack Summary

The weekend storm snow has nearly doubled the snowpack depths at most elevations. The shallow snowpack is adjusting to this heavy, warm load and is settling. Moderate to strong SW winds have created wind slabs in lee areas. Many rocks, stumps, and trees are still poking through the surface, so early season hazards still prevail.

Avalanche Summary

On Sunday, a skier-triggered size 3.5 along Bruins Ridge caught two people. Partial burial of those involved. Dimensions were 50-100cm deep, 500m wide, and 1000+m in length. The slide covered part of the Video Pk uptrack.  Several smaller size 1-2.5 slides reported on either side of Balu Pass. Natural activity has slowed since Sunday night.

Confidence

Due to the number of field observations

Avalanche Problems

Wind Slabs

Soft wind slab exists at alpine and tree-line elevations after the weekend storm. Touchy slabs caught 2 people Sunday, partially burying one. These slabs are propagating wide and running quite long distances.
Be aware of the potential for wide propagations.Avoid convexities or areas with a thin or variable snowpack.

Aspects: North, North East, East.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 3

Loose Dry

Steep gullies and confined chutes will concentrate your sluffs. Be aware of flowing loose snow if you are in one of these features.
Use caution above cliffs where small avalanches may have severe consequences.Be aware of party members below you that may be exposed to your sluffs.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2