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Avalanche Forecast

Archived

Dec 4th, 2018–Dec 5th, 2018

Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Below Threshold.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Below Threshold.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Below Threshold.

Regions

Jasper.

The snowpack is generally thin with lots of early season hazards such as deadfall and rocks.

Weather Forecast

A cold Arctic air mass will bring clear skies and cool temps to the forecast region. Expect daytime highs of -10 with general light winds.Click here for a detailed mountain weather forecast from Avalanche Canada

Snowpack Summary

In the alp the wind has created both deep lee pockets of snow and in other areas removed the snow altogether. The much discussed Oct 25th crust can be found 40cm off the ground and buried, in some locations, by 80cm of wind transported snow. The crust is most likely to be encountered between 2,700m-2,000m. Below treeline snow cover is very thin.

Avalanche Summary

No new activity observed or reported. Remember to share the conditions found on your trip this weekend with Avalanche Canada's, Mountain Information Network

Confidence

Problems

Deep Persistent Slabs

Deep Persistent Slab avalanches are the release of a thick cohesive layer of hard snow (a slab), when the bond breaks between the slab and an underlying persistent weak layer deep in the snowpack. The most common persistent weak layers involved in deep, persistent slabs are depth hoar or facets surrounding a deeply buried crust. Deep Persistent Slabs are typically hard to trigger, are very destructive and dangerous due to the large mass of snow involved, and can persist for months once developed. They are often triggered from areas where the snow is shallow and weak, and are particularly difficult to forecast for and manage.