Avalanche Forecast
Avalanche Bulletin - Glacier National Park
Moderate avalanche hazard means human-triggered avalanches are possible. Winds slabs and a buried sun crust require thoughtful decision making.
Avalanche Problem 1: Wind Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Travel and Terrain Advice
- Be cautious as you transition into wind affected terrain.
- Use caution in lee areas. Recent wind loading has created wind slabs.
Avalanche Summary
No new natural avalanches observed.
Snowpack Summary
35cm of settling storm snow now buries a facet layer. Height of snow at 1900m is 330cm. Moderate winds have created wind slabs that can be found on all aspects above tree line. A crust is down 30-50cm on solar aspects and the mid January persistent weak layers are buried 150-200cm.
Weather Forecast
A mix of sun and cloud as a weather system moves out of the area. No significant precipitation is expected. Moderate northerly winds will calm this morning and back to the SE. Freezing levels climb to 1100m. A light snowfall begins early Saturday morning with up to 6cm. Temperatures drop on Sunday with the arrival of a cold front and trace precip.
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Moderate winds have created pockets of wind slab in the alpine and exposed areas at tree line. In the alpine, the wind slab is poorly bonded to buried facets and a crust on solar aspects. Due to shifting winds, slabs can be found on all aspects.