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Avalanche Forecast

Archived

Feb 11th, 2024–Feb 12th, 2024

Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Glacier.

Be cautious of shallow snowpack areas in the alpine where triggering deeper layers is more likely.

Allow extra time for low elevation travel, current conditions are rugged and challenging.

Confidence

Moderate

Avalanche Summary

No new natural avalanches have been observed for several days, however, isolated slab avalanches continue to be human triggered from shallow snowpack areas of the alpine.

Snowpack Summary

On steep south facing slopes a breakable surface crust with a dusting of new snow makes for challenging travel. Below 2500m on all aspects is the robust and supportive Feb 3rd crust with 10-30cm of recent low density snow over it.

Below tree line expect difficult conditions with widespread refrozen avalanche debris and shallow snowpack hazards.

Warm temperatures have rounded and strengthened the mid and lower snowpack.

Weather Summary

A clearing trend today will set us up for a dry week ahead with calm conditions and freezing levels at or near valley bottom.

Tonight: Cloudy & flurries - 5cm, light SW winds, low -7°C, freezing level (FZL) 1000m.

Mon: Cloudy with isolated flurries, high -6°C, light W winds, FZL 1300m.

Tues: Mix of sun & cloud, low -14°C, light to moderate N winds, FZL valley bottom.

Wed: Sunny, low -14°C, FZL valley bottom.

Terrain and Travel Advice

  • Watch for wind-loaded pockets especially around ridgecrest and in extreme terrain.

Problems

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind slabs that form over a persistent weak layer (surface hoar, depth hoar, or near-surface facets) may be termed Persistent Slabs or may develop into Persistent Slabs.