Avalanche Forecast
Avalanche Bulletin - Glacier National Park
NW winds building wind slab in the alpine and exposed areas at treeline.
Manage your sluff appropriately in steep terrain.
Avalanche Problem 1: Wind Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Travel and Terrain Advice
- Be careful with wind loaded pockets, especially near ridge crests and roll-overs.
- If triggered the wind slabs may step down to deeper layers resulting in large avalanches.
Avalanche Problem 2: Loose Dry
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
50cm of low density storm snow has delivered excellent riding conditions. For the most part sluff accumulation is manageable but use caution if you are stepping out into steeper, committing terrain.
Travel and Terrain Advice
- Be cautious of sluffing in steep terrain.
- On steep slopes, pull over periodically or cut into a new line to manage sluffing.
Avalanche Summary
Several naturals yesterday along the highway corridor up to Sz 2.5
The storm from Friday and Saturday brought heavy snowfall and strong winds at ridgetop. This triggered a natural avalanche cycle to size 3 with some paths running to valley bottom.
Snowpack Summary
50cm of settling HST from past several days has giving many riders & skiers the 'woohoo' syndrome. The November 26/23rd crusts are down 65-80cm, with recent stability tests showing moderate-hard results with resistent to sudden planar fracture character. The lower snowpack is still moist but is starting to dry out with cooler temperatures.
Weather Forecast
A ridge of high pressure has settled in over Roger's Pass, expect cloudy skies with some sunny breaks throughout the day today. No new snow is forecast and the alpine high will be -11 with the freezing level staying at valley bottom. Winds will be generally light from the Northwest. The high pressure will dominate the weather through the week.
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50cm of low density storm snow is been redistributed by moderate winds in the alpine and exposed areas at treeline. Winds have been variable over the past several days but the predominate flow is now from the NW, moderate gusting to strong at times.