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Avalanche Forecast

Archived

Nov 14th, 2021–Nov 15th, 2021

Alpine
Natural and human triggered avalanches likely.
Treeline
Natural avalanches possible, human triggered probable.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural and human triggered avalanches likely.
Treeline
Natural avalanches possible, human triggered probable.
Below Treeline
Natural avalanches unlikely.
Alpine
Below Threshold.
Treeline
Below Threshold.
Below Treeline
Below Threshold.

Regions

Kananaskis.

As the storm continues to push through the region, approach slopes and features with a high level of uncertainty, Remember, it is only November! 

Confidence

Moderate -

Weather Forecast

The storm continues. Various weather models are calling for an additional 30-40cm overnight and Monday. Accompanied by extreme winds from the West and warm temperatures. 

Avalanche Summary

No visual observations today, however many audible avalanches heard throughout the region today

Snowpack Summary

Limited data is available so far this season as forecasters havent been out due to low snow amounts and challenging travel. Currently 30-50cm of snow is at treeline with a temperature crust related to recent rains 10-20cm off the ground. We don't have a firm grasp on how high this crust goes at this time due to limited field observations. Windslabs are being reported in alpine areas along ridgelines and crossloaded features. 

Terrain and Travel

  • Watch for fresh storm slabs building throughout the day.
  • Early season avalanches at any elevation have the potential to be particularly dangerous due to obstacles that are exposed or just below the surface.
  • Pay attention to the wind, once it starts to blow fresh sensitive wind slabs are likely to form.
  • Be alert to conditions that change with elevation, aspect and exposure to wind.

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.