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Archived

Avalanche Forecast

Mar 6th, 2015–Mar 7th, 2015
Alpine
1: Low
The avalanche danger rating in the alpine will be low
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
1: Low
The avalanche danger rating in the alpine will be low
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
1: Low
The avalanche danger rating in the alpine will be low
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

Regions: Glacier.

Hazard remains low, but visibility is decreasing. Cloud cover may make spotting wind slabs difficult.

Weather Forecast

Mainly cloudy today with isolated flurries and trace amounts of accumulation. Freezing levels are expected to rise to 1600m, with an alpine temperature of -3. Moderate westerly winds with strong gusts. Cloud cover and very light precipitation will remain through the weekend.

Snowpack Summary

~5cm of snow covers the previous surface of crust, facets, surface hoar and pockets of thin soft slab. Variable winds have created pockets of soft slab in the immediate lees of ridges on all aspects. Overall the snowpack is now well settled and strong.

Avalanche Summary

Several reports from outside the park boundary of small skier controlled avalanches failing on wind slabs. In Glacier Park, small pockets of wind slab have been reactive to skiers at ridge top and the loose surface snow sluffs on steep slopes. No new natural avalanches have been observed recently.

Confidence

Avalanche Problems

Wind Slabs

SW winds continue to form wind slabs.  Expect wind effected snow on all aspects. Small pockets of wind slab have been reactive to skiers.  Extra caution should be used in steep terrain where a small slab could result in a big fall.
Travel conditions are difficult at lower elevations and in the trees.Use caution in lee areas in the alpine. Recent wind loading have created wind slabs.

Aspects: All aspects.

Elevations: Alpine.

Likelihood: Possible

Expected Size: 1 - 2